Home / 87,664,567.60-131,496,851.40-73,421,948.80

Finding the Fourth Proportional to 87,664,567.60, 131,496,851.40 and 73,421,948.80

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Solution

The fourth proportional to 87,664,567.60, 131,496,851.40 and 73,421,948.80 is: 110,132,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,664,567.60 : 131,496,851.40 = 73,421,948.80 : x
  2. Step 2: Convert to fraction form
    87,664,567.60/131,496,851.40 = 73,421,948.80/x
  3. Step 3: Cross multiply
    87,664,567.60x = 131,496,851.40 × 73,421,948.80
  4. Step 4: Simplify right side
    87,664,567.60x = 9,654,755,090,852,008
  5. Step 5: Solve for x
    x = 9,654,755,090,852,008/87,664,567.60
  6. Step 6: Final answer
    x = 110,132,923.20

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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.