Home / 71,126,347.31-106,704,750.12-21,275,083.93

Finding the Fourth Proportional to 71,126,347.31, 106,704,750.12 and 21,275,083.93

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Solution

The fourth proportional to 71,126,347.31, 106,704,750.12 and 21,275,083.93 is: 31,917,181.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,126,347.31 : 106,704,750.12 = 21,275,083.93 : x
  2. Step 2: Convert to fraction form
    71,126,347.31/106,704,750.12 = 21,275,083.93/x
  3. Step 3: Cross multiply
    71,126,347.31x = 106,704,750.12 × 21,275,083.93
  4. Step 4: Simplify right side
    71,126,347.31x = 2,270,152,514,532,677.50
  5. Step 5: Solve for x
    x = 2,270,152,514,532,677.50/71,126,347.31
  6. Step 6: Final answer
    x = 31,917,181.19

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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.