Home / 112,268,890.20-168,403,335.30-63,727,987.80

Finding the Fourth Proportional to 112,268,890.20, 168,403,335.30 and 63,727,987.80

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Solution

The fourth proportional to 112,268,890.20, 168,403,335.30 and 63,727,987.80 is: 95,591,981.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,268,890.20 : 168,403,335.30 = 63,727,987.80 : x
  2. Step 2: Convert to fraction form
    112,268,890.20/168,403,335.30 = 63,727,987.80/x
  3. Step 3: Cross multiply
    112,268,890.20x = 168,403,335.30 × 63,727,987.80
  4. Step 4: Simplify right side
    112,268,890.20x = 10,732,005,697,477,710
  5. Step 5: Solve for x
    x = 10,732,005,697,477,710/112,268,890.20
  6. Step 6: Final answer
    x = 95,591,981.70

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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.