Home / 111,705,246.72-154,154,659.12-61,475,248.59

Finding the Fourth Proportional to 111,705,246.72, 154,154,659.12 and 61,475,248.59

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Solution

The fourth proportional to 111,705,246.72, 154,154,659.12 and 61,475,248.59 is: 84,836,623.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,705,246.72 : 154,154,659.12 = 61,475,248.59 : x
  2. Step 2: Convert to fraction form
    111,705,246.72/154,154,659.12 = 61,475,248.59/x
  3. Step 3: Cross multiply
    111,705,246.72x = 154,154,659.12 × 61,475,248.59
  4. Step 4: Simplify right side
    111,705,246.72x = 9,476,695,990,322,434
  5. Step 5: Solve for x
    x = 9,476,695,990,322,434/111,705,246.72
  6. Step 6: Final answer
    x = 84,836,623.78

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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.