Home / 43,112,555.60-64,668,833.40-40,561,638.80

Finding the Fourth Proportional to 43,112,555.60, 64,668,833.40 and 40,561,638.80

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Solution

The fourth proportional to 43,112,555.60, 64,668,833.40 and 40,561,638.80 is: 60,842,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,112,555.60 : 64,668,833.40 = 40,561,638.80 : x
  2. Step 2: Convert to fraction form
    43,112,555.60/64,668,833.40 = 40,561,638.80/x
  3. Step 3: Cross multiply
    43,112,555.60x = 64,668,833.40 × 40,561,638.80
  4. Step 4: Simplify right side
    43,112,555.60x = 2,623,073,861,988,175.50
  5. Step 5: Solve for x
    x = 2,623,073,861,988,175.50/43,112,555.60
  6. Step 6: Final answer
    x = 60,842,458.20

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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.