Home / 85,168,862.20-127,753,293.30-49,225,079.80

Finding the Fourth Proportional to 85,168,862.20, 127,753,293.30 and 49,225,079.80

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Solution

The fourth proportional to 85,168,862.20, 127,753,293.30 and 49,225,079.80 is: 73,837,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,168,862.20 : 127,753,293.30 = 49,225,079.80 : x
  2. Step 2: Convert to fraction form
    85,168,862.20/127,753,293.30 = 49,225,079.80/x
  3. Step 3: Cross multiply
    85,168,862.20x = 127,753,293.30 × 49,225,079.80
  4. Step 4: Simplify right side
    85,168,862.20x = 6,288,666,057,405,305
  5. Step 5: Solve for x
    x = 6,288,666,057,405,305/85,168,862.20
  6. Step 6: Final answer
    x = 73,837,619.70

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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.