Home / 435,503,999.70-653,255,999.55-112,387,871.70

Finding the Fourth Proportional to 435,503,999.70, 653,255,999.55 and 112,387,871.70

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Solution

The fourth proportional to 435,503,999.70, 653,255,999.55 and 112,387,871.70 is: 168,581,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,503,999.70 : 653,255,999.55 = 112,387,871.70 : x
  2. Step 2: Convert to fraction form
    435,503,999.70/653,255,999.55 = 112,387,871.70/x
  3. Step 3: Cross multiply
    435,503,999.70x = 653,255,999.55 × 112,387,871.70
  4. Step 4: Simplify right side
    435,503,999.70x = 73,418,051,464,680,656
  5. Step 5: Solve for x
    x = 73,418,051,464,680,656/435,503,999.70
  6. Step 6: Final answer
    x = 168,581,807.55

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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.