Home / 147,441,862.70-221,330,755.65-86,891,705.90

Finding the Fourth Proportional to 147,441,862.70, 221,330,755.65 and 86,891,705.90

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Solution

The fourth proportional to 147,441,862.70, 221,330,755.65 and 86,891,705.90 is: 130,436,543.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,441,862.70 : 221,330,755.65 = 86,891,705.90 : x
  2. Step 2: Convert to fraction form
    147,441,862.70/221,330,755.65 = 86,891,705.90/x
  3. Step 3: Cross multiply
    147,441,862.70x = 221,330,755.65 × 86,891,705.90
  4. Step 4: Simplify right side
    147,441,862.70x = 19,231,806,926,564,564
  5. Step 5: Solve for x
    x = 19,231,806,926,564,564/147,441,862.70
  6. Step 6: Final answer
    x = 130,436,543.42

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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.