Home / 69,648,818.16-104,473,470.24-21,127,090.08

Finding the Fourth Proportional to 69,648,818.16, 104,473,470.24 and 21,127,090.08

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Solution

The fourth proportional to 69,648,818.16, 104,473,470.24 and 21,127,090.08 is: 31,690,708.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,648,818.16 : 104,473,470.24 = 21,127,090.08 : x
  2. Step 2: Convert to fraction form
    69,648,818.16/104,473,470.24 = 21,127,090.08/x
  3. Step 3: Cross multiply
    69,648,818.16x = 104,473,470.24 × 21,127,090.08
  4. Step 4: Simplify right side
    69,648,818.16x = 2,207,220,416,730,679
  5. Step 5: Solve for x
    x = 2,207,220,416,730,679/69,648,818.16
  6. Step 6: Final answer
    x = 31,690,708.83

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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.