Home / 124,192,407.60-186,288,611.40-42,403,637.70

Finding the Fourth Proportional to 124,192,407.60, 186,288,611.40 and 42,403,637.70

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Solution

The fourth proportional to 124,192,407.60, 186,288,611.40 and 42,403,637.70 is: 63,605,456.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,192,407.60 : 186,288,611.40 = 42,403,637.70 : x
  2. Step 2: Convert to fraction form
    124,192,407.60/186,288,611.40 = 42,403,637.70/x
  3. Step 3: Cross multiply
    124,192,407.60x = 186,288,611.40 × 42,403,637.70
  4. Step 4: Simplify right side
    124,192,407.60x = 7,899,314,785,441,691
  5. Step 5: Solve for x
    x = 7,899,314,785,441,691/124,192,407.60
  6. Step 6: Final answer
    x = 63,605,456.55

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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.