Home / 42,568,021.60-63,852,032.40-40,216,559.20

Finding the Fourth Proportional to 42,568,021.60, 63,852,032.40 and 40,216,559.20

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Solution

The fourth proportional to 42,568,021.60, 63,852,032.40 and 40,216,559.20 is: 60,324,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,568,021.60 : 63,852,032.40 = 40,216,559.20 : x
  2. Step 2: Convert to fraction form
    42,568,021.60/63,852,032.40 = 40,216,559.20/x
  3. Step 3: Cross multiply
    42,568,021.60x = 63,852,032.40 × 40,216,559.20
  4. Step 4: Simplify right side
    42,568,021.60x = 2,567,909,041,054,918
  5. Step 5: Solve for x
    x = 2,567,909,041,054,918/42,568,021.60
  6. Step 6: Final answer
    x = 60,324,838.80

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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.