Home / 48,405,220.80-72,607,831.20-48,121,785.60

Finding the Fourth Proportional to 48,405,220.80, 72,607,831.20 and 48,121,785.60

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Solution

The fourth proportional to 48,405,220.80, 72,607,831.20 and 48,121,785.60 is: 72,182,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,405,220.80 : 72,607,831.20 = 48,121,785.60 : x
  2. Step 2: Convert to fraction form
    48,405,220.80/72,607,831.20 = 48,121,785.60/x
  3. Step 3: Cross multiply
    48,405,220.80x = 72,607,831.20 × 48,121,785.60
  4. Step 4: Simplify right side
    48,405,220.80x = 3,494,018,485,887,391
  5. Step 5: Solve for x
    x = 3,494,018,485,887,391/48,405,220.80
  6. Step 6: Final answer
    x = 72,182,678.40

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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.