Home / 91,834,147.05-126,726,338.75-57,026,090.76

Finding the Fourth Proportional to 91,834,147.05, 126,726,338.75 and 57,026,090.76

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Solution

The fourth proportional to 91,834,147.05, 126,726,338.75 and 57,026,090.76 is: 78,693,034.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,834,147.05 : 126,726,338.75 = 57,026,090.76 : x
  2. Step 2: Convert to fraction form
    91,834,147.05/126,726,338.75 = 57,026,090.76/x
  3. Step 3: Cross multiply
    91,834,147.05x = 126,726,338.75 × 57,026,090.76
  4. Step 4: Simplify right side
    91,834,147.05x = 7,226,707,694,954,875
  5. Step 5: Solve for x
    x = 7,226,707,694,954,875/91,834,147.05
  6. Step 6: Final answer
    x = 78,693,034.42

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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.