Home / 63,911,712.40-95,867,568.60-39,678,002.80

Finding the Fourth Proportional to 63,911,712.40, 95,867,568.60 and 39,678,002.80

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Solution

The fourth proportional to 63,911,712.40, 95,867,568.60 and 39,678,002.80 is: 59,517,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,911,712.40 : 95,867,568.60 = 39,678,002.80 : x
  2. Step 2: Convert to fraction form
    63,911,712.40/95,867,568.60 = 39,678,002.80/x
  3. Step 3: Cross multiply
    63,911,712.40x = 95,867,568.60 × 39,678,002.80
  4. Step 4: Simplify right side
    63,911,712.40x = 3,803,833,655,339,991.50
  5. Step 5: Solve for x
    x = 3,803,833,655,339,991.50/63,911,712.40
  6. Step 6: Final answer
    x = 59,517,004.20

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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.