Home / 74,870,770.20-112,306,155.30-21,011,083.80

Finding the Fourth Proportional to 74,870,770.20, 112,306,155.30 and 21,011,083.80

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Solution

The fourth proportional to 74,870,770.20, 112,306,155.30 and 21,011,083.80 is: 31,516,625.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,870,770.20 : 112,306,155.30 = 21,011,083.80 : x
  2. Step 2: Convert to fraction form
    74,870,770.20/112,306,155.30 = 21,011,083.80/x
  3. Step 3: Cross multiply
    74,870,770.20x = 112,306,155.30 × 21,011,083.80
  4. Step 4: Simplify right side
    74,870,770.20x = 2,359,674,040,264,114
  5. Step 5: Solve for x
    x = 2,359,674,040,264,114/74,870,770.20
  6. Step 6: Final answer
    x = 31,516,625.70

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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.