Home / 101,302,805.46-139,782,411.85-57,233,724.84

Finding the Fourth Proportional to 101,302,805.46, 139,782,411.85 and 57,233,724.84

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Solution

The fourth proportional to 101,302,805.46, 139,782,411.85 and 57,233,724.84 is: 78,973,805.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,302,805.46 : 139,782,411.85 = 57,233,724.84 : x
  2. Step 2: Convert to fraction form
    101,302,805.46/139,782,411.85 = 57,233,724.84/x
  3. Step 3: Cross multiply
    101,302,805.46x = 139,782,411.85 × 57,233,724.84
  4. Step 4: Simplify right side
    101,302,805.46x = 8,000,268,097,294,456
  5. Step 5: Solve for x
    x = 8,000,268,097,294,456/101,302,805.46
  6. Step 6: Final answer
    x = 78,973,805.92

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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.