Home / 72,894,117.11-100,594,062.47-39,856,498.07

Finding the Fourth Proportional to 72,894,117.11, 100,594,062.47 and 39,856,498.07

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Solution

The fourth proportional to 72,894,117.11, 100,594,062.47 and 39,856,498.07 is: 55,002,066.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,894,117.11 : 100,594,062.47 = 39,856,498.07 : x
  2. Step 2: Convert to fraction form
    72,894,117.11/100,594,062.47 = 39,856,498.07/x
  3. Step 3: Cross multiply
    72,894,117.11x = 100,594,062.47 × 39,856,498.07
  4. Step 4: Simplify right side
    72,894,117.11x = 4,009,327,056,285,685
  5. Step 5: Solve for x
    x = 4,009,327,056,285,685/72,894,117.11
  6. Step 6: Final answer
    x = 55,002,066.22

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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.