Home / 123,838,286.40-185,757,429.60-55,813,838.40

Finding the Fourth Proportional to 123,838,286.40, 185,757,429.60 and 55,813,838.40

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Solution

The fourth proportional to 123,838,286.40, 185,757,429.60 and 55,813,838.40 is: 83,720,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,838,286.40 : 185,757,429.60 = 55,813,838.40 : x
  2. Step 2: Convert to fraction form
    123,838,286.40/185,757,429.60 = 55,813,838.40/x
  3. Step 3: Cross multiply
    123,838,286.40x = 185,757,429.60 × 55,813,838.40
  4. Step 4: Simplify right side
    123,838,286.40x = 10,367,835,157,293,776
  5. Step 5: Solve for x
    x = 10,367,835,157,293,776/123,838,286.40
  6. Step 6: Final answer
    x = 83,720,757.60

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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.