Home / 72,873,348.98-100,565,214.39-39,833,730.86

Finding the Fourth Proportional to 72,873,348.98, 100,565,214.39 and 39,833,730.86

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Solution

The fourth proportional to 72,873,348.98, 100,565,214.39 and 39,833,730.86 is: 54,970,544.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,873,348.98 : 100,565,214.39 = 39,833,730.86 : x
  2. Step 2: Convert to fraction form
    72,873,348.98/100,565,214.39 = 39,833,730.86/x
  3. Step 3: Cross multiply
    72,873,348.98x = 100,565,214.39 × 39,833,730.86
  4. Step 4: Simplify right side
    72,873,348.98x = 4,005,887,683,889,459
  5. Step 5: Solve for x
    x = 4,005,887,683,889,459/72,873,348.98
  6. Step 6: Final answer
    x = 54,970,544.65

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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.