Home / 49,803,996.76-74,720,434.02-20,652,422.92

Finding the Fourth Proportional to 49,803,996.76, 74,720,434.02 and 20,652,422.92

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Solution

The fourth proportional to 49,803,996.76, 74,720,434.02 and 20,652,422.92 is: 30,984,621.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,803,996.76 : 74,720,434.02 = 20,652,422.92 : x
  2. Step 2: Convert to fraction form
    49,803,996.76/74,720,434.02 = 20,652,422.92/x
  3. Step 3: Cross multiply
    49,803,996.76x = 74,720,434.02 × 20,652,422.92
  4. Step 4: Simplify right side
    49,803,996.76x = 1,543,158,004,146,995.75
  5. Step 5: Solve for x
    x = 1,543,158,004,146,995.75/49,803,996.76
  6. Step 6: Final answer
    x = 30,984,621.81

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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.