Home / 87,552,130.60-131,139,239.10-72,435,586.60

Finding the Fourth Proportional to 87,552,130.60, 131,139,239.10 and 72,435,586.60

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Solution

The fourth proportional to 87,552,130.60, 131,139,239.10 and 72,435,586.60 is: 108,497,047.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,552,130.60 : 131,139,239.10 = 72,435,586.60 : x
  2. Step 2: Convert to fraction form
    87,552,130.60/131,139,239.10 = 72,435,586.60/x
  3. Step 3: Cross multiply
    87,552,130.60x = 131,139,239.10 × 72,435,586.60
  4. Step 4: Simplify right side
    87,552,130.60x = 9,499,147,710,486,154
  5. Step 5: Solve for x
    x = 9,499,147,710,486,154/87,552,130.60
  6. Step 6: Final answer
    x = 108,497,047.93

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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.