Home / 112,010,807.20-167,680,287.60-66,549,200.80

Finding the Fourth Proportional to 112,010,807.20, 167,680,287.60 and 66,549,200.80

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Solution

The fourth proportional to 112,010,807.20, 167,680,287.60 and 66,549,200.80 is: 99,624,218.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,010,807.20 : 167,680,287.60 = 66,549,200.80 : x
  2. Step 2: Convert to fraction form
    112,010,807.20/167,680,287.60 = 66,549,200.80/x
  3. Step 3: Cross multiply
    112,010,807.20x = 167,680,287.60 × 66,549,200.80
  4. Step 4: Simplify right side
    112,010,807.20x = 11,158,989,129,694,150
  5. Step 5: Solve for x
    x = 11,158,989,129,694,150/112,010,807.20
  6. Step 6: Final answer
    x = 99,624,218.49

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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.