Home / 96,984,100.90-145,476,151.35-86,461,569.10

Finding the Fourth Proportional to 96,984,100.90, 145,476,151.35 and 86,461,569.10

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Solution

The fourth proportional to 96,984,100.90, 145,476,151.35 and 86,461,569.10 is: 129,692,353.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,984,100.90 : 145,476,151.35 = 86,461,569.10 : x
  2. Step 2: Convert to fraction form
    96,984,100.90/145,476,151.35 = 86,461,569.10/x
  3. Step 3: Cross multiply
    96,984,100.90x = 145,476,151.35 × 86,461,569.10
  4. Step 4: Simplify right side
    96,984,100.90x = 12,578,096,312,350,082
  5. Step 5: Solve for x
    x = 12,578,096,312,350,082/96,984,100.90
  6. Step 6: Final answer
    x = 129,692,353.65

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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.