Home / 97,331,319.10-145,996,978.65-89,941,008.70

Finding the Fourth Proportional to 97,331,319.10, 145,996,978.65 and 89,941,008.70

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Solution

The fourth proportional to 97,331,319.10, 145,996,978.65 and 89,941,008.70 is: 134,911,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,331,319.10 : 145,996,978.65 = 89,941,008.70 : x
  2. Step 2: Convert to fraction form
    97,331,319.10/145,996,978.65 = 89,941,008.70/x
  3. Step 3: Cross multiply
    97,331,319.10x = 145,996,978.65 × 89,941,008.70
  4. Step 4: Simplify right side
    97,331,319.10x = 13,131,115,526,933,366
  5. Step 5: Solve for x
    x = 13,131,115,526,933,366/97,331,319.10
  6. Step 6: Final answer
    x = 134,911,513.05

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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.