Home / 88,130,032.61-121,581,715.60-55,032,821.05

Finding the Fourth Proportional to 88,130,032.61, 121,581,715.60 and 55,032,821.05

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Solution

The fourth proportional to 88,130,032.61, 121,581,715.60 and 55,032,821.05 is: 75,921,732.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,130,032.61 : 121,581,715.60 = 55,032,821.05 : x
  2. Step 2: Convert to fraction form
    88,130,032.61/121,581,715.60 = 55,032,821.05/x
  3. Step 3: Cross multiply
    88,130,032.61x = 121,581,715.60 × 55,032,821.05
  4. Step 4: Simplify right side
    88,130,032.61x = 6,690,984,797,566,793
  5. Step 5: Solve for x
    x = 6,690,984,797,566,793/88,130,032.61
  6. Step 6: Final answer
    x = 75,921,732.91

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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.