Home / 115,651,221.18-159,597,195.12-66,091,026.66

Finding the Fourth Proportional to 115,651,221.18, 159,597,195.12 and 66,091,026.66

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Solution

The fourth proportional to 115,651,221.18, 159,597,195.12 and 66,091,026.66 is: 91,204,765.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,651,221.18 : 159,597,195.12 = 66,091,026.66 : x
  2. Step 2: Convert to fraction form
    115,651,221.18/159,597,195.12 = 66,091,026.66/x
  3. Step 3: Cross multiply
    115,651,221.18x = 159,597,195.12 × 66,091,026.66
  4. Step 4: Simplify right side
    115,651,221.18x = 10,547,942,477,537,142
  5. Step 5: Solve for x
    x = 10,547,942,477,537,142/115,651,221.18
  6. Step 6: Final answer
    x = 91,204,765.24

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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.