Home / 81,006,284.18-121,516,809.22-26,404,854.86

Finding the Fourth Proportional to 81,006,284.18, 121,516,809.22 and 26,404,854.86

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Solution

The fourth proportional to 81,006,284.18, 121,516,809.22 and 26,404,854.86 is: 39,609,688.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,006,284.18 : 121,516,809.22 = 26,404,854.86 : x
  2. Step 2: Convert to fraction form
    81,006,284.18/121,516,809.22 = 26,404,854.86/x
  3. Step 3: Cross multiply
    81,006,284.18x = 121,516,809.22 × 26,404,854.86
  4. Step 4: Simplify right side
    81,006,284.18x = 3,208,633,710,841,208
  5. Step 5: Solve for x
    x = 3,208,633,710,841,208/81,006,284.18
  6. Step 6: Final answer
    x = 39,609,688.84

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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.