Home / 112,070,875.92-167,948,289.75-52,920,143.28

Finding the Fourth Proportional to 112,070,875.92, 167,948,289.75 and 52,920,143.28

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Solution

The fourth proportional to 112,070,875.92, 167,948,289.75 and 52,920,143.28 is: 79,305,595.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,070,875.92 : 167,948,289.75 = 52,920,143.28 : x
  2. Step 2: Convert to fraction form
    112,070,875.92/167,948,289.75 = 52,920,143.28/x
  3. Step 3: Cross multiply
    112,070,875.92x = 167,948,289.75 × 52,920,143.28
  4. Step 4: Simplify right side
    112,070,875.92x = 8,887,847,557,200,956
  5. Step 5: Solve for x
    x = 8,887,847,557,200,956/112,070,875.92
  6. Step 6: Final answer
    x = 79,305,595.54

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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.