Home / 112,477,439.52-168,672,540.16-38,687,188.36

Finding the Fourth Proportional to 112,477,439.52, 168,672,540.16 and 38,687,188.36

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Solution

The fourth proportional to 112,477,439.52, 168,672,540.16 and 38,687,188.36 is: 58,015,779.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,477,439.52 : 168,672,540.16 = 38,687,188.36 : x
  2. Step 2: Convert to fraction form
    112,477,439.52/168,672,540.16 = 38,687,188.36/x
  3. Step 3: Cross multiply
    112,477,439.52x = 168,672,540.16 × 38,687,188.36
  4. Step 4: Simplify right side
    112,477,439.52x = 6,525,466,332,329,584
  5. Step 5: Solve for x
    x = 6,525,466,332,329,584/112,477,439.52
  6. Step 6: Final answer
    x = 58,015,779.52

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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.