Home / 435,503,999.20-653,255,998.80-112,387,871.20

Finding the Fourth Proportional to 435,503,999.20, 653,255,998.80 and 112,387,871.20

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Solution

The fourth proportional to 435,503,999.20, 653,255,998.80 and 112,387,871.20 is: 168,581,806.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,503,999.20 : 653,255,998.80 = 112,387,871.20 : x
  2. Step 2: Convert to fraction form
    435,503,999.20/653,255,998.80 = 112,387,871.20/x
  3. Step 3: Cross multiply
    435,503,999.20x = 653,255,998.80 × 112,387,871.20
  4. Step 4: Simplify right side
    435,503,999.20x = 73,418,051,053,761,744
  5. Step 5: Solve for x
    x = 73,418,051,053,761,744/435,503,999.20
  6. Step 6: Final answer
    x = 168,581,806.80

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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.