Home / 136,305,752.70-204,459,795.45-45,429,341.70

Finding the Fourth Proportional to 136,305,752.70, 204,459,795.45 and 45,429,341.70

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Solution

The fourth proportional to 136,305,752.70, 204,459,795.45 and 45,429,341.70 is: 68,144,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,305,752.70 : 204,459,795.45 = 45,429,341.70 : x
  2. Step 2: Convert to fraction form
    136,305,752.70/204,459,795.45 = 45,429,341.70/x
  3. Step 3: Cross multiply
    136,305,752.70x = 204,459,795.45 × 45,429,341.70
  4. Step 4: Simplify right side
    136,305,752.70x = 9,288,473,911,410,156
  5. Step 5: Solve for x
    x = 9,288,473,911,410,156/136,305,752.70
  6. Step 6: Final answer
    x = 68,144,401.30

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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.