Home / 55,306,082.95-82,963,110.29-21,227,428.83

Finding the Fourth Proportional to 55,306,082.95, 82,963,110.29 and 21,227,428.83

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Solution

The fourth proportional to 55,306,082.95, 82,963,110.29 and 21,227,428.83 is: 31,842,673.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,306,082.95 : 82,963,110.29 = 21,227,428.83 : x
  2. Step 2: Convert to fraction form
    55,306,082.95/82,963,110.29 = 21,227,428.83/x
  3. Step 3: Cross multiply
    55,306,082.95x = 82,963,110.29 × 21,227,428.83
  4. Step 4: Simplify right side
    55,306,082.95x = 1,761,093,519,196,415.75
  5. Step 5: Solve for x
    x = 1,761,093,519,196,415.75/55,306,082.95
  6. Step 6: Final answer
    x = 31,842,673.09

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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.