Home / 144,133,074.70-216,199,612.05-142,789,381.90

Finding the Fourth Proportional to 144,133,074.70, 216,199,612.05 and 142,789,381.90

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Solution

The fourth proportional to 144,133,074.70, 216,199,612.05 and 142,789,381.90 is: 214,184,072.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,133,074.70 : 216,199,612.05 = 142,789,381.90 : x
  2. Step 2: Convert to fraction form
    144,133,074.70/216,199,612.05 = 142,789,381.90/x
  3. Step 3: Cross multiply
    144,133,074.70x = 216,199,612.05 × 142,789,381.90
  4. Step 4: Simplify right side
    144,133,074.70x = 30,871,008,971,639,296
  5. Step 5: Solve for x
    x = 30,871,008,971,639,296/144,133,074.70
  6. Step 6: Final answer
    x = 214,184,072.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.