Home / 124,845,807.60-187,268,711.40-112,752,572.40

Finding the Fourth Proportional to 124,845,807.60, 187,268,711.40 and 112,752,572.40

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Solution

The fourth proportional to 124,845,807.60, 187,268,711.40 and 112,752,572.40 is: 169,128,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,845,807.60 : 187,268,711.40 = 112,752,572.40 : x
  2. Step 2: Convert to fraction form
    124,845,807.60/187,268,711.40 = 112,752,572.40/x
  3. Step 3: Cross multiply
    124,845,807.60x = 187,268,711.40 × 112,752,572.40
  4. Step 4: Simplify right side
    124,845,807.60x = 21,115,028,940,383,208
  5. Step 5: Solve for x
    x = 21,115,028,940,383,208/124,845,807.60
  6. Step 6: Final answer
    x = 169,128,858.60

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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.