Home / 112,031,416.80-168,047,125.20-107,726,744.70

Finding the Fourth Proportional to 112,031,416.80, 168,047,125.20 and 107,726,744.70

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Solution

The fourth proportional to 112,031,416.80, 168,047,125.20 and 107,726,744.70 is: 161,590,117.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,031,416.80 : 168,047,125.20 = 107,726,744.70 : x
  2. Step 2: Convert to fraction form
    112,031,416.80/168,047,125.20 = 107,726,744.70/x
  3. Step 3: Cross multiply
    112,031,416.80x = 168,047,125.20 × 107,726,744.70
  4. Step 4: Simplify right side
    112,031,416.80x = 18,103,169,753,989,336
  5. Step 5: Solve for x
    x = 18,103,169,753,989,336/112,031,416.80
  6. Step 6: Final answer
    x = 161,590,117.05

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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.