Home / 112,639,308.59-168,985,325.82-34,912,150.31

Finding the Fourth Proportional to 112,639,308.59, 168,985,325.82 and 34,912,150.31

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Solution

The fourth proportional to 112,639,308.59, 168,985,325.82 and 34,912,150.31 is: 52,376,396.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,639,308.59 : 168,985,325.82 = 34,912,150.31 : x
  2. Step 2: Convert to fraction form
    112,639,308.59/168,985,325.82 = 34,912,150.31/x
  3. Step 3: Cross multiply
    112,639,308.59x = 168,985,325.82 × 34,912,150.31
  4. Step 4: Simplify right side
    112,639,308.59x = 5,899,641,094,367,237
  5. Step 5: Solve for x
    x = 5,899,641,094,367,237/112,639,308.59
  6. Step 6: Final answer
    x = 52,376,396.56

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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.