Home / 136,632,805.20-204,949,207.80-123,453,068.40

Finding the Fourth Proportional to 136,632,805.20, 204,949,207.80 and 123,453,068.40

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Solution

The fourth proportional to 136,632,805.20, 204,949,207.80 and 123,453,068.40 is: 185,179,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,632,805.20 : 204,949,207.80 = 123,453,068.40 : x
  2. Step 2: Convert to fraction form
    136,632,805.20/204,949,207.80 = 123,453,068.40/x
  3. Step 3: Cross multiply
    136,632,805.20x = 204,949,207.80 × 123,453,068.40
  4. Step 4: Simplify right side
    136,632,805.20x = 25,301,608,569,059,216
  5. Step 5: Solve for x
    x = 25,301,608,569,059,216/136,632,805.20
  6. Step 6: Final answer
    x = 185,179,602.60

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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.