Home / 123,966,601.20-185,949,901.80-83,151,932.40

Finding the Fourth Proportional to 123,966,601.20, 185,949,901.80 and 83,151,932.40

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Solution

The fourth proportional to 123,966,601.20, 185,949,901.80 and 83,151,932.40 is: 124,727,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,966,601.20 : 185,949,901.80 = 83,151,932.40 : x
  2. Step 2: Convert to fraction form
    123,966,601.20/185,949,901.80 = 83,151,932.40/x
  3. Step 3: Cross multiply
    123,966,601.20x = 185,949,901.80 × 83,151,932.40
  4. Step 4: Simplify right side
    123,966,601.20x = 15,462,093,664,260,240
  5. Step 5: Solve for x
    x = 15,462,093,664,260,240/123,966,601.20
  6. Step 6: Final answer
    x = 124,727,898.60

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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.