Home / 125,378,126.52-173,026,143.68-69,624,480.52

Finding the Fourth Proportional to 125,378,126.52, 173,026,143.68 and 69,624,480.52

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Solution

The fourth proportional to 125,378,126.52, 173,026,143.68 and 69,624,480.52 is: 96,084,187.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,378,126.52 : 173,026,143.68 = 69,624,480.52 : x
  2. Step 2: Convert to fraction form
    125,378,126.52/173,026,143.68 = 69,624,480.52/x
  3. Step 3: Cross multiply
    125,378,126.52x = 173,026,143.68 × 69,624,480.52
  4. Step 4: Simplify right side
    125,378,126.52x = 12,046,855,370,098,880
  5. Step 5: Solve for x
    x = 12,046,855,370,098,880/125,378,126.52
  6. Step 6: Final answer
    x = 96,084,187.13

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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.