Home / 124,499,257.20-186,776,879.40-38,241,644.40

Finding the Fourth Proportional to 124,499,257.20, 186,776,879.40 and 38,241,644.40

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Solution

The fourth proportional to 124,499,257.20, 186,776,879.40 and 38,241,644.40 is: 57,371,065.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,499,257.20 : 186,776,879.40 = 38,241,644.40 : x
  2. Step 2: Convert to fraction form
    124,499,257.20/186,776,879.40 = 38,241,644.40/x
  3. Step 3: Cross multiply
    124,499,257.20x = 186,776,879.40 × 38,241,644.40
  4. Step 4: Simplify right side
    124,499,257.20x = 7,142,655,004,156,485
  5. Step 5: Solve for x
    x = 7,142,655,004,156,485/124,499,257.20
  6. Step 6: Final answer
    x = 57,371,065.22

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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.