Home / 73,063,432.72-100,781,088.87-47,947,171.42

Finding the Fourth Proportional to 73,063,432.72, 100,781,088.87 and 47,947,171.42

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Solution

The fourth proportional to 73,063,432.72, 100,781,088.87 and 47,947,171.42 is: 66,136,615.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,063,432.72 : 100,781,088.87 = 47,947,171.42 : x
  2. Step 2: Convert to fraction form
    73,063,432.72/100,781,088.87 = 47,947,171.42/x
  3. Step 3: Cross multiply
    73,063,432.72x = 100,781,088.87 × 47,947,171.42
  4. Step 4: Simplify right side
    73,063,432.72x = 4,832,168,143,944,145
  5. Step 5: Solve for x
    x = 4,832,168,143,944,145/73,063,432.72
  6. Step 6: Final answer
    x = 66,136,615.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.