Home / 91,283,142.17-136,873,488.22-39,435,389.19

Finding the Fourth Proportional to 91,283,142.17, 136,873,488.22 and 39,435,389.19

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Solution

The fourth proportional to 91,283,142.17, 136,873,488.22 and 39,435,389.19 is: 59,130,953.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,283,142.17 : 136,873,488.22 = 39,435,389.19 : x
  2. Step 2: Convert to fraction form
    91,283,142.17/136,873,488.22 = 39,435,389.19/x
  3. Step 3: Cross multiply
    91,283,142.17x = 136,873,488.22 × 39,435,389.19
  4. Step 4: Simplify right side
    91,283,142.17x = 5,397,659,277,649,992
  5. Step 5: Solve for x
    x = 5,397,659,277,649,992/91,283,142.17
  6. Step 6: Final answer
    x = 59,130,953.97

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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.