Home / 91,541,031.74-126,276,308.30-57,989,064.97

Finding the Fourth Proportional to 91,541,031.74, 126,276,308.30 and 57,989,064.97

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Solution

The fourth proportional to 91,541,031.74, 126,276,308.30 and 57,989,064.97 is: 79,993,035.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,541,031.74 : 126,276,308.30 = 57,989,064.97 : x
  2. Step 2: Convert to fraction form
    91,541,031.74/126,276,308.30 = 57,989,064.97/x
  3. Step 3: Cross multiply
    91,541,031.74x = 126,276,308.30 × 57,989,064.97
  4. Step 4: Simplify right side
    91,541,031.74x = 7,322,645,045,772,964
  5. Step 5: Solve for x
    x = 7,322,645,045,772,964/91,541,031.74
  6. Step 6: Final answer
    x = 79,993,035.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.