Home / 112,347,124.20-168,520,686.30-99,358,093.80

Finding the Fourth Proportional to 112,347,124.20, 168,520,686.30 and 99,358,093.80

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Solution

The fourth proportional to 112,347,124.20, 168,520,686.30 and 99,358,093.80 is: 149,037,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,347,124.20 : 168,520,686.30 = 99,358,093.80 : x
  2. Step 2: Convert to fraction form
    112,347,124.20/168,520,686.30 = 99,358,093.80/x
  3. Step 3: Cross multiply
    112,347,124.20x = 168,520,686.30 × 99,358,093.80
  4. Step 4: Simplify right side
    112,347,124.20x = 16,743,894,156,635,776
  5. Step 5: Solve for x
    x = 16,743,894,156,635,776/112,347,124.20
  6. Step 6: Final answer
    x = 149,037,140.70

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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.