Home / 112,333,016.80-168,499,525.20-99,578,432.80

Finding the Fourth Proportional to 112,333,016.80, 168,499,525.20 and 99,578,432.80

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Solution

The fourth proportional to 112,333,016.80, 168,499,525.20 and 99,578,432.80 is: 149,367,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,333,016.80 : 168,499,525.20 = 99,578,432.80 : x
  2. Step 2: Convert to fraction form
    112,333,016.80/168,499,525.20 = 99,578,432.80/x
  3. Step 3: Cross multiply
    112,333,016.80x = 168,499,525.20 × 99,578,432.80
  4. Step 4: Simplify right side
    112,333,016.80x = 16,778,918,646,960,104
  5. Step 5: Solve for x
    x = 16,778,918,646,960,104/112,333,016.80
  6. Step 6: Final answer
    x = 149,367,649.20

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Similar ratio
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1.5x scale

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.