Home / 85,982,066.52-118,654,079.76-48,812,038.08

Finding the Fourth Proportional to 85,982,066.52, 118,654,079.76 and 48,812,038.08

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Solution

The fourth proportional to 85,982,066.52, 118,654,079.76 and 48,812,038.08 is: 67,359,947.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,982,066.52 : 118,654,079.76 = 48,812,038.08 : x
  2. Step 2: Convert to fraction form
    85,982,066.52/118,654,079.76 = 48,812,038.08/x
  3. Step 3: Cross multiply
    85,982,066.52x = 118,654,079.76 × 48,812,038.08
  4. Step 4: Simplify right side
    85,982,066.52x = 5,791,747,459,592,477
  5. Step 5: Solve for x
    x = 5,791,747,459,592,477/85,982,066.52
  6. Step 6: Final answer
    x = 67,359,947.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.