Home / 207,268,911.20-310,761,649.20-98,146,359.20

Finding the Fourth Proportional to 207,268,911.20, 310,761,649.20 and 98,146,359.20

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Solution

The fourth proportional to 207,268,911.20, 310,761,649.20 and 98,146,359.20 is: 147,152,432.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,268,911.20 : 310,761,649.20 = 98,146,359.20 : x
  2. Step 2: Convert to fraction form
    207,268,911.20/310,761,649.20 = 98,146,359.20/x
  3. Step 3: Cross multiply
    207,268,911.20x = 310,761,649.20 × 98,146,359.20
  4. Step 4: Simplify right side
    207,268,911.20x = 30,500,124,447,967,592
  5. Step 5: Solve for x
    x = 30,500,124,447,967,592/207,268,911.20
  6. Step 6: Final answer
    x = 147,152,432.42

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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.