Home / 80,901,920.12-121,339,594.14-34,831,385.93

Finding the Fourth Proportional to 80,901,920.12, 121,339,594.14 and 34,831,385.93

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Solution

The fourth proportional to 80,901,920.12, 121,339,594.14 and 34,831,385.93 is: 52,241,358.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,901,920.12 : 121,339,594.14 = 34,831,385.93 : x
  2. Step 2: Convert to fraction form
    80,901,920.12/121,339,594.14 = 34,831,385.93/x
  3. Step 3: Cross multiply
    80,901,920.12x = 121,339,594.14 × 34,831,385.93
  4. Step 4: Simplify right side
    80,901,920.12x = 4,226,426,231,473,208
  5. Step 5: Solve for x
    x = 4,226,426,231,473,208/80,901,920.12
  6. Step 6: Final answer
    x = 52,241,358.74

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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.