Home / 31,581,331.20-47,371,996.80-29,668,143.60

Finding the Fourth Proportional to 31,581,331.20, 47,371,996.80 and 29,668,143.60

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Solution

The fourth proportional to 31,581,331.20, 47,371,996.80 and 29,668,143.60 is: 44,502,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,581,331.20 : 47,371,996.80 = 29,668,143.60 : x
  2. Step 2: Convert to fraction form
    31,581,331.20/47,371,996.80 = 29,668,143.60/x
  3. Step 3: Cross multiply
    31,581,331.20x = 47,371,996.80 × 29,668,143.60
  4. Step 4: Simplify right side
    31,581,331.20x = 1,405,439,203,681,140.50
  5. Step 5: Solve for x
    x = 1,405,439,203,681,140.50/31,581,331.20
  6. Step 6: Final answer
    x = 44,502,215.40

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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.