Home / 81,082,472.90-121,644,441.08-23,574,744.06

Finding the Fourth Proportional to 81,082,472.90, 121,644,441.08 and 23,574,744.06

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Solution

The fourth proportional to 81,082,472.90, 121,644,441.08 and 23,574,744.06 is: 35,368,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,082,472.90 : 121,644,441.08 = 23,574,744.06 : x
  2. Step 2: Convert to fraction form
    81,082,472.90/121,644,441.08 = 23,574,744.06/x
  3. Step 3: Cross multiply
    81,082,472.90x = 121,644,441.08 × 23,574,744.06
  4. Step 4: Simplify right side
    81,082,472.90x = 2,867,736,564,827,192.50
  5. Step 5: Solve for x
    x = 2,867,736,564,827,192.50/81,082,472.90
  6. Step 6: Final answer
    x = 35,368,143.85

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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.