Home / 402,182,674,855.72-603,335,999,564.28-137,125,073,101.52

Finding the Fourth Proportional to 402,182,674,855.72, 603,335,999,564.28 and 137,125,073,101.52

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Solution

The fourth proportional to 402,182,674,855.72, 603,335,999,564.28 and 137,125,073,101.52 is: 205,708,744,352.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,182,674,855.72 : 603,335,999,564.28 = 137,125,073,101.52 : x
  2. Step 2: Convert to fraction form
    402,182,674,855.72/603,335,999,564.28 = 137,125,073,101.52/x
  3. Step 3: Cross multiply
    402,182,674,855.72x = 603,335,999,564.28 × 137,125,073,101.52
  4. Step 4: Simplify right side
    402,182,674,855.72x = 82,732,493,045,030,543,425,536
  5. Step 5: Solve for x
    x = 82,732,493,045,030,543,425,536/402,182,674,855.72
  6. Step 6: Final answer
    x = 205,708,744,352.83

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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.