Home / 96,771,321.60-145,156,982.40-89,381,011.20

Finding the Fourth Proportional to 96,771,321.60, 145,156,982.40 and 89,381,011.20

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Solution

The fourth proportional to 96,771,321.60, 145,156,982.40 and 89,381,011.20 is: 134,071,516.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,771,321.60 : 145,156,982.40 = 89,381,011.20 : x
  2. Step 2: Convert to fraction form
    96,771,321.60/145,156,982.40 = 89,381,011.20/x
  3. Step 3: Cross multiply
    96,771,321.60x = 145,156,982.40 × 89,381,011.20
  4. Step 4: Simplify right side
    96,771,321.60x = 12,974,277,869,652,604
  5. Step 5: Solve for x
    x = 12,974,277,869,652,604/96,771,321.60
  6. Step 6: Final answer
    x = 134,071,516.80

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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.