Home / 48,388,831.30-72,499,266.15-31,340,728.90

Finding the Fourth Proportional to 48,388,831.30, 72,499,266.15 and 31,340,728.90

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Solution

The fourth proportional to 48,388,831.30, 72,499,266.15 and 31,340,728.90 is: 46,956,700.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,388,831.30 : 72,499,266.15 = 31,340,728.90 : x
  2. Step 2: Convert to fraction form
    48,388,831.30/72,499,266.15 = 31,340,728.90/x
  3. Step 3: Cross multiply
    48,388,831.30x = 72,499,266.15 × 31,340,728.90
  4. Step 4: Simplify right side
    48,388,831.30x = 2,272,179,845,856,097
  5. Step 5: Solve for x
    x = 2,272,179,845,856,097/48,388,831.30
  6. Step 6: Final answer
    x = 46,956,700.23

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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.