Home / 87,435,903.60-131,153,855.40-61,905,740.40

Finding the Fourth Proportional to 87,435,903.60, 131,153,855.40 and 61,905,740.40

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Solution

The fourth proportional to 87,435,903.60, 131,153,855.40 and 61,905,740.40 is: 92,858,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,435,903.60 : 131,153,855.40 = 61,905,740.40 : x
  2. Step 2: Convert to fraction form
    87,435,903.60/131,153,855.40 = 61,905,740.40/x
  3. Step 3: Cross multiply
    87,435,903.60x = 131,153,855.40 × 61,905,740.40
  4. Step 4: Simplify right side
    87,435,903.60x = 8,119,176,524,851,538
  5. Step 5: Solve for x
    x = 8,119,176,524,851,538/87,435,903.60
  6. Step 6: Final answer
    x = 92,858,610.60

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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.