Home / 42,100,249.80-63,150,374.70-28,495,360.20

Finding the Fourth Proportional to 42,100,249.80, 63,150,374.70 and 28,495,360.20

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Solution

The fourth proportional to 42,100,249.80, 63,150,374.70 and 28,495,360.20 is: 42,743,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,100,249.80 : 63,150,374.70 = 28,495,360.20 : x
  2. Step 2: Convert to fraction form
    42,100,249.80/63,150,374.70 = 28,495,360.20/x
  3. Step 3: Cross multiply
    42,100,249.80x = 63,150,374.70 × 28,495,360.20
  4. Step 4: Simplify right side
    42,100,249.80x = 1,799,492,673,841,467
  5. Step 5: Solve for x
    x = 1,799,492,673,841,467/42,100,249.80
  6. Step 6: Final answer
    x = 42,743,040.30

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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.