Home / 42,610,851.60-63,878,952.60-25,578,301.20

Finding the Fourth Proportional to 42,610,851.60, 63,878,952.60 and 25,578,301.20

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Solution

The fourth proportional to 42,610,851.60, 63,878,952.60 and 25,578,301.20 is: 38,345,046.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,610,851.60 : 63,878,952.60 = 25,578,301.20 : x
  2. Step 2: Convert to fraction form
    42,610,851.60/63,878,952.60 = 25,578,301.20/x
  3. Step 3: Cross multiply
    42,610,851.60x = 63,878,952.60 × 25,578,301.20
  4. Step 4: Simplify right side
    42,610,851.60x = 1,633,915,089,943,323
  5. Step 5: Solve for x
    x = 1,633,915,089,943,323/42,610,851.60
  6. Step 6: Final answer
    x = 38,345,046.59

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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.