Home / 312,908,047.20-469,026,147.60-118,744,437.60

Finding the Fourth Proportional to 312,908,047.20, 469,026,147.60 and 118,744,437.60

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Solution

The fourth proportional to 312,908,047.20, 469,026,147.60 and 118,744,437.60 is: 177,989,178.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,908,047.20 : 469,026,147.60 = 118,744,437.60 : x
  2. Step 2: Convert to fraction form
    312,908,047.20/469,026,147.60 = 118,744,437.60/x
  3. Step 3: Cross multiply
    312,908,047.20x = 469,026,147.60 × 118,744,437.60
  4. Step 4: Simplify right side
    312,908,047.20x = 55,694,246,116,456,592
  5. Step 5: Solve for x
    x = 55,694,246,116,456,592/312,908,047.20
  6. Step 6: Final answer
    x = 177,989,178.02

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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.