Home / 101,758,750.96-140,414,323.08-68,790,737.20

Finding the Fourth Proportional to 101,758,750.96, 140,414,323.08 and 68,790,737.20

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Solution

The fourth proportional to 101,758,750.96, 140,414,323.08 and 68,790,737.20 is: 94,922,595.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,758,750.96 : 140,414,323.08 = 68,790,737.20 : x
  2. Step 2: Convert to fraction form
    101,758,750.96/140,414,323.08 = 68,790,737.20/x
  3. Step 3: Cross multiply
    101,758,750.96x = 140,414,323.08 × 68,790,737.20
  4. Step 4: Simplify right side
    101,758,750.96x = 9,659,204,798,112,176
  5. Step 5: Solve for x
    x = 9,659,204,798,112,176/101,758,750.96
  6. Step 6: Final answer
    x = 94,922,595.91

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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.