Home / 84,254,115.30-126,168,596.55-67,248,003.30

Finding the Fourth Proportional to 84,254,115.30, 126,168,596.55 and 67,248,003.30

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Solution

The fourth proportional to 84,254,115.30, 126,168,596.55 and 67,248,003.30 is: 100,702,335.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,254,115.30 : 126,168,596.55 = 67,248,003.30 : x
  2. Step 2: Convert to fraction form
    84,254,115.30/126,168,596.55 = 67,248,003.30/x
  3. Step 3: Cross multiply
    84,254,115.30x = 126,168,596.55 × 67,248,003.30
  4. Step 4: Simplify right side
    84,254,115.30x = 8,484,586,197,150,768
  5. Step 5: Solve for x
    x = 8,484,586,197,150,768/84,254,115.30
  6. Step 6: Final answer
    x = 100,702,335.63

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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.