Home / 186,912,165.60-280,368,248.40-122,414,911.20

Finding the Fourth Proportional to 186,912,165.60, 280,368,248.40 and 122,414,911.20

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Solution

The fourth proportional to 186,912,165.60, 280,368,248.40 and 122,414,911.20 is: 183,622,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,912,165.60 : 280,368,248.40 = 122,414,911.20 : x
  2. Step 2: Convert to fraction form
    186,912,165.60/280,368,248.40 = 122,414,911.20/x
  3. Step 3: Cross multiply
    186,912,165.60x = 280,368,248.40 × 122,414,911.20
  4. Step 4: Simplify right side
    186,912,165.60x = 34,321,254,231,185,540
  5. Step 5: Solve for x
    x = 34,321,254,231,185,540/186,912,165.60
  6. Step 6: Final answer
    x = 183,622,366.80

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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.