Home / 97,096,543.20-145,644,814.80-87,354,770.40

Finding the Fourth Proportional to 97,096,543.20, 145,644,814.80 and 87,354,770.40

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Solution

The fourth proportional to 97,096,543.20, 145,644,814.80 and 87,354,770.40 is: 131,032,155.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,096,543.20 : 145,644,814.80 = 87,354,770.40 : x
  2. Step 2: Convert to fraction form
    97,096,543.20/145,644,814.80 = 87,354,770.40/x
  3. Step 3: Cross multiply
    97,096,543.20x = 145,644,814.80 × 87,354,770.40
  4. Step 4: Simplify right side
    97,096,543.20x = 12,722,769,356,804,524
  5. Step 5: Solve for x
    x = 12,722,769,356,804,524/97,096,543.20
  6. Step 6: Final answer
    x = 131,032,155.60

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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.