Home / 53,072,641.28-79,639,298.34-28,813,540.61

Finding the Fourth Proportional to 53,072,641.28, 79,639,298.34 and 28,813,540.61

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Solution

The fourth proportional to 53,072,641.28, 79,639,298.34 and 28,813,540.61 is: 43,236,780.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,072,641.28 : 79,639,298.34 = 28,813,540.61 : x
  2. Step 2: Convert to fraction form
    53,072,641.28/79,639,298.34 = 28,813,540.61/x
  3. Step 3: Cross multiply
    53,072,641.28x = 79,639,298.34 × 28,813,540.61
  4. Step 4: Simplify right side
    53,072,641.28x = 2,294,690,156,473,299
  5. Step 5: Solve for x
    x = 2,294,690,156,473,299/53,072,641.28
  6. Step 6: Final answer
    x = 43,236,780.78

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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.