Home / 42,006,961.20-62,870,473.80-30,459,601.20

Finding the Fourth Proportional to 42,006,961.20, 62,870,473.80 and 30,459,601.20

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Solution

The fourth proportional to 42,006,961.20, 62,870,473.80 and 30,459,601.20 is: 45,587,909.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,006,961.20 : 62,870,473.80 = 30,459,601.20 : x
  2. Step 2: Convert to fraction form
    42,006,961.20/62,870,473.80 = 30,459,601.20/x
  3. Step 3: Cross multiply
    42,006,961.20x = 62,870,473.80 × 30,459,601.20
  4. Step 4: Simplify right side
    42,006,961.20x = 1,915,009,559,203,048.50
  5. Step 5: Solve for x
    x = 1,915,009,559,203,048.50/42,006,961.20
  6. Step 6: Final answer
    x = 45,587,909.82

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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.