Home / 42,448,207.60-63,634,986.60-25,415,657.20

Finding the Fourth Proportional to 42,448,207.60, 63,634,986.60 and 25,415,657.20

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Solution

The fourth proportional to 42,448,207.60, 63,634,986.60 and 25,415,657.20 is: 38,101,137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,448,207.60 : 63,634,986.60 = 25,415,657.20 : x
  2. Step 2: Convert to fraction form
    42,448,207.60/63,634,986.60 = 25,415,657.20/x
  3. Step 3: Cross multiply
    42,448,207.60x = 63,634,986.60 × 25,415,657.20
  4. Step 4: Simplify right side
    42,448,207.60x = 1,617,325,005,352,193.50
  5. Step 5: Solve for x
    x = 1,617,325,005,352,193.50/42,448,207.60
  6. Step 6: Final answer
    x = 38,101,137.76

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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.