Home / 191,645,517.79-287,468,243.85-60,579,799.61

Finding the Fourth Proportional to 191,645,517.79, 287,468,243.85 and 60,579,799.61

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Solution

The fourth proportional to 191,645,517.79, 287,468,243.85 and 60,579,799.61 is: 90,869,689.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,645,517.79 : 287,468,243.85 = 60,579,799.61 : x
  2. Step 2: Convert to fraction form
    191,645,517.79/287,468,243.85 = 60,579,799.61/x
  3. Step 3: Cross multiply
    191,645,517.79x = 287,468,243.85 × 60,579,799.61
  4. Step 4: Simplify right side
    191,645,517.79x = 17,414,768,606,671,616
  5. Step 5: Solve for x
    x = 17,414,768,606,671,616/191,645,517.79
  6. Step 6: Final answer
    x = 90,869,689.04

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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.