Home / 149,013,986.40-223,776,032.40-80,989,538.40

Finding the Fourth Proportional to 149,013,986.40, 223,776,032.40 and 80,989,538.40

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Solution

The fourth proportional to 149,013,986.40, 223,776,032.40 and 80,989,538.40 is: 121,622,929.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,013,986.40 : 223,776,032.40 = 80,989,538.40 : x
  2. Step 2: Convert to fraction form
    149,013,986.40/223,776,032.40 = 80,989,538.40/x
  3. Step 3: Cross multiply
    149,013,986.40x = 223,776,032.40 × 80,989,538.40
  4. Step 4: Simplify right side
    149,013,986.40x = 18,123,517,569,059,444
  5. Step 5: Solve for x
    x = 18,123,517,569,059,444/149,013,986.40
  6. Step 6: Final answer
    x = 121,622,929.54

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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.