Home / 89,073,092.60-133,609,638.90-80,463,748.40

Finding the Fourth Proportional to 89,073,092.60, 133,609,638.90 and 80,463,748.40

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Solution

The fourth proportional to 89,073,092.60, 133,609,638.90 and 80,463,748.40 is: 120,695,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,073,092.60 : 133,609,638.90 = 80,463,748.40 : x
  2. Step 2: Convert to fraction form
    89,073,092.60/133,609,638.90 = 80,463,748.40/x
  3. Step 3: Cross multiply
    89,073,092.60x = 133,609,638.90 × 80,463,748.40
  4. Step 4: Simplify right side
    89,073,092.60x = 10,750,732,368,264,454
  5. Step 5: Solve for x
    x = 10,750,732,368,264,454/89,073,092.60
  6. Step 6: Final answer
    x = 120,695,622.60

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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.