Home / 181,141,831.90-272,922,680.23-163,892,143.72

Finding the Fourth Proportional to 181,141,831.90, 272,922,680.23 and 163,892,143.72

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Solution

The fourth proportional to 181,141,831.90, 272,922,680.23 and 163,892,143.72 is: 246,932,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,141,831.90 : 272,922,680.23 = 163,892,143.72 : x
  2. Step 2: Convert to fraction form
    181,141,831.90/272,922,680.23 = 163,892,143.72/x
  3. Step 3: Cross multiply
    181,141,831.90x = 272,922,680.23 × 163,892,143.72
  4. Step 4: Simplify right side
    181,141,831.90x = 44,729,883,132,702,768
  5. Step 5: Solve for x
    x = 44,729,883,132,702,768/181,141,831.90
  6. Step 6: Final answer
    x = 246,932,929.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.