Home / 124,216,665.60-186,324,998.40-42,427,895.70

Finding the Fourth Proportional to 124,216,665.60, 186,324,998.40 and 42,427,895.70

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Solution

The fourth proportional to 124,216,665.60, 186,324,998.40 and 42,427,895.70 is: 63,641,843.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,216,665.60 : 186,324,998.40 = 42,427,895.70 : x
  2. Step 2: Convert to fraction form
    124,216,665.60/186,324,998.40 = 42,427,895.70/x
  3. Step 3: Cross multiply
    124,216,665.60x = 186,324,998.40 × 42,427,895.70
  4. Step 4: Simplify right side
    124,216,665.60x = 7,905,377,598,417,868
  5. Step 5: Solve for x
    x = 7,905,377,598,417,868/124,216,665.60
  6. Step 6: Final answer
    x = 63,641,843.55

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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.