Home / 143,510,820,525.70-198,045,011,772.69-77,516,994,914.17

Finding the Fourth Proportional to 143,510,820,525.70, 198,045,011,772.69 and 77,516,994,914.17

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Solution

The fourth proportional to 143,510,820,525.70, 198,045,011,772.69 and 77,516,994,914.17 is: 106,973,495,894.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,510,820,525.70 : 198,045,011,772.69 = 77,516,994,914.17 : x
  2. Step 2: Convert to fraction form
    143,510,820,525.70/198,045,011,772.69 = 77,516,994,914.17/x
  3. Step 3: Cross multiply
    143,510,820,525.70x = 198,045,011,772.69 × 77,516,994,914.17
  4. Step 4: Simplify right side
    143,510,820,525.70x = 15,351,854,170,359,755,440,128
  5. Step 5: Solve for x
    x = 15,351,854,170,359,755,440,128/143,510,820,525.70
  6. Step 6: Final answer
    x = 106,973,495,894.76

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.