Home / 115,877,356.20-173,816,034.30-51,147,842.40

Finding the Fourth Proportional to 115,877,356.20, 173,816,034.30 and 51,147,842.40

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Solution

The fourth proportional to 115,877,356.20, 173,816,034.30 and 51,147,842.40 is: 76,721,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,877,356.20 : 173,816,034.30 = 51,147,842.40 : x
  2. Step 2: Convert to fraction form
    115,877,356.20/173,816,034.30 = 51,147,842.40/x
  3. Step 3: Cross multiply
    115,877,356.20x = 173,816,034.30 × 51,147,842.40
  4. Step 4: Simplify right side
    115,877,356.20x = 8,890,315,128,969,395
  5. Step 5: Solve for x
    x = 8,890,315,128,969,395/115,877,356.20
  6. Step 6: Final answer
    x = 76,721,763.60

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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.