Home / 96,982,715.40-145,474,073.10-86,460,183.60

Finding the Fourth Proportional to 96,982,715.40, 145,474,073.10 and 86,460,183.60

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Solution

The fourth proportional to 96,982,715.40, 145,474,073.10 and 86,460,183.60 is: 129,690,275.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,982,715.40 : 145,474,073.10 = 86,460,183.60 : x
  2. Step 2: Convert to fraction form
    96,982,715.40/145,474,073.10 = 86,460,183.60/x
  3. Step 3: Cross multiply
    96,982,715.40x = 145,474,073.10 × 86,460,183.60
  4. Step 4: Simplify right side
    96,982,715.40x = 12,577,715,069,265,820
  5. Step 5: Solve for x
    x = 12,577,715,069,265,820/96,982,715.40
  6. Step 6: Final answer
    x = 129,690,275.40

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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.