Home / 112,125,615.90-168,156,931.05-35,472,140.70

Finding the Fourth Proportional to 112,125,615.90, 168,156,931.05 and 35,472,140.70

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Solution

The fourth proportional to 112,125,615.90, 168,156,931.05 and 35,472,140.70 is: 53,198,247.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,125,615.90 : 168,156,931.05 = 35,472,140.70 : x
  2. Step 2: Convert to fraction form
    112,125,615.90/168,156,931.05 = 35,472,140.70/x
  3. Step 3: Cross multiply
    112,125,615.90x = 168,156,931.05 × 35,472,140.70
  4. Step 4: Simplify right side
    112,125,615.90x = 5,964,886,317,885,800
  5. Step 5: Solve for x
    x = 5,964,886,317,885,800/112,125,615.90
  6. Step 6: Final answer
    x = 53,198,247.97

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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.