Home / 97,096,543.70-145,644,815.55-87,354,770.90

Finding the Fourth Proportional to 97,096,543.70, 145,644,815.55 and 87,354,770.90

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Solution

The fourth proportional to 97,096,543.70, 145,644,815.55 and 87,354,770.90 is: 131,032,156.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,096,543.70 : 145,644,815.55 = 87,354,770.90 : x
  2. Step 2: Convert to fraction form
    97,096,543.70/145,644,815.55 = 87,354,770.90/x
  3. Step 3: Cross multiply
    97,096,543.70x = 145,644,815.55 × 87,354,770.90
  4. Step 4: Simplify right side
    97,096,543.70x = 12,722,769,495,143,010
  5. Step 5: Solve for x
    x = 12,722,769,495,143,010/97,096,543.70
  6. Step 6: Final answer
    x = 131,032,156.35

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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.