Home / 111,359,634.10-153,679,789.76-64,315,833.64

Finding the Fourth Proportional to 111,359,634.10, 153,679,789.76 and 64,315,833.64

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Solution

The fourth proportional to 111,359,634.10, 153,679,789.76 and 64,315,833.64 is: 88,757,868.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,359,634.10 : 153,679,789.76 = 64,315,833.64 : x
  2. Step 2: Convert to fraction form
    111,359,634.10/153,679,789.76 = 64,315,833.64/x
  3. Step 3: Cross multiply
    111,359,634.10x = 153,679,789.76 × 64,315,833.64
  4. Step 4: Simplify right side
    111,359,634.10x = 9,884,043,791,328,558
  5. Step 5: Solve for x
    x = 9,884,043,791,328,558/111,359,634.10
  6. Step 6: Final answer
    x = 88,757,868.79

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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.