Home / 112,334,416.20-168,501,624.30-99,345,385.80

Finding the Fourth Proportional to 112,334,416.20, 168,501,624.30 and 99,345,385.80

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Solution

The fourth proportional to 112,334,416.20, 168,501,624.30 and 99,345,385.80 is: 149,018,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,334,416.20 : 168,501,624.30 = 99,345,385.80 : x
  2. Step 2: Convert to fraction form
    112,334,416.20/168,501,624.30 = 99,345,385.80/x
  3. Step 3: Cross multiply
    112,334,416.20x = 168,501,624.30 × 99,345,385.80
  4. Step 4: Simplify right side
    112,334,416.20x = 16,739,858,874,010,156
  5. Step 5: Solve for x
    x = 16,739,858,874,010,156/112,334,416.20
  6. Step 6: Final answer
    x = 149,018,078.70

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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.