Home / 128,534,822.46-177,377,412.60-69,796,964.52

Finding the Fourth Proportional to 128,534,822.46, 177,377,412.60 and 69,796,964.52

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Solution

The fourth proportional to 128,534,822.46, 177,377,412.60 and 69,796,964.52 is: 96,319,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,534,822.46 : 177,377,412.60 = 69,796,964.52 : x
  2. Step 2: Convert to fraction form
    128,534,822.46/177,377,412.60 = 69,796,964.52/x
  3. Step 3: Cross multiply
    128,534,822.46x = 177,377,412.60 × 69,796,964.52
  4. Step 4: Simplify right side
    128,534,822.46x = 12,380,404,973,891,600
  5. Step 5: Solve for x
    x = 12,380,404,973,891,600/128,534,822.46
  6. Step 6: Final answer
    x = 96,319,462.20

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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.