Home / 247,005,816.83-370,472,280.30-72,081,883.60

Finding the Fourth Proportional to 247,005,816.83, 370,472,280.30 and 72,081,883.60

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Solution

The fourth proportional to 247,005,816.83, 370,472,280.30 and 72,081,883.60 is: 108,112,189.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,005,816.83 : 370,472,280.30 = 72,081,883.60 : x
  2. Step 2: Convert to fraction form
    247,005,816.83/370,472,280.30 = 72,081,883.60/x
  3. Step 3: Cross multiply
    247,005,816.83x = 370,472,280.30 × 72,081,883.60
  4. Step 4: Simplify right side
    247,005,816.83x = 26,704,339,786,176,948
  5. Step 5: Solve for x
    x = 26,704,339,786,176,948/247,005,816.83
  6. Step 6: Final answer
    x = 108,112,189.94

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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.