Home / 88,209,109.20-132,313,663.80-84,861,030.90

Finding the Fourth Proportional to 88,209,109.20, 132,313,663.80 and 84,861,030.90

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Solution

The fourth proportional to 88,209,109.20, 132,313,663.80 and 84,861,030.90 is: 127,291,546.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,209,109.20 : 132,313,663.80 = 84,861,030.90 : x
  2. Step 2: Convert to fraction form
    88,209,109.20/132,313,663.80 = 84,861,030.90/x
  3. Step 3: Cross multiply
    88,209,109.20x = 132,313,663.80 × 84,861,030.90
  4. Step 4: Simplify right side
    88,209,109.20x = 11,228,273,912,224,012
  5. Step 5: Solve for x
    x = 11,228,273,912,224,012/88,209,109.20
  6. Step 6: Final answer
    x = 127,291,546.35

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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.