Home / 57,129,133.82-85,666,686.56-22,130,639.79

Finding the Fourth Proportional to 57,129,133.82, 85,666,686.56 and 22,130,639.79

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Solution

The fourth proportional to 57,129,133.82, 85,666,686.56 and 22,130,639.79 is: 33,185,494.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,129,133.82 : 85,666,686.56 = 22,130,639.79 : x
  2. Step 2: Convert to fraction form
    57,129,133.82/85,666,686.56 = 22,130,639.79/x
  3. Step 3: Cross multiply
    57,129,133.82x = 85,666,686.56 × 22,130,639.79
  4. Step 4: Simplify right side
    57,129,133.82x = 1,895,858,581,723,207.75
  5. Step 5: Solve for x
    x = 1,895,858,581,723,207.75/57,129,133.82
  6. Step 6: Final answer
    x = 33,185,494.95

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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.