Home / 72,827,569.30-109,241,353.95-69,468,337.30

Finding the Fourth Proportional to 72,827,569.30, 109,241,353.95 and 69,468,337.30

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Solution

The fourth proportional to 72,827,569.30, 109,241,353.95 and 69,468,337.30 is: 104,202,505.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,827,569.30 : 109,241,353.95 = 69,468,337.30 : x
  2. Step 2: Convert to fraction form
    72,827,569.30/109,241,353.95 = 69,468,337.30/x
  3. Step 3: Cross multiply
    72,827,569.30x = 109,241,353.95 × 69,468,337.30
  4. Step 4: Simplify right side
    72,827,569.30x = 7,588,815,223,307,287
  5. Step 5: Solve for x
    x = 7,588,815,223,307,287/72,827,569.30
  6. Step 6: Final answer
    x = 104,202,505.95

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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.