Home / 72,488,406.60-100,055,080.49-47,374,293.83

Finding the Fourth Proportional to 72,488,406.60, 100,055,080.49 and 47,374,293.83

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Solution

The fourth proportional to 72,488,406.60, 100,055,080.49 and 47,374,293.83 is: 65,390,301.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,488,406.60 : 100,055,080.49 = 47,374,293.83 : x
  2. Step 2: Convert to fraction form
    72,488,406.60/100,055,080.49 = 47,374,293.83/x
  3. Step 3: Cross multiply
    72,488,406.60x = 100,055,080.49 × 47,374,293.83
  4. Step 4: Simplify right side
    72,488,406.60x = 4,740,038,781,580,414
  5. Step 5: Solve for x
    x = 4,740,038,781,580,414/72,488,406.60
  6. Step 6: Final answer
    x = 65,390,301.76

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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.