Home / 42,290,820.30-63,436,230.45-28,853,892.30

Finding the Fourth Proportional to 42,290,820.30, 63,436,230.45 and 28,853,892.30

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Solution

The fourth proportional to 42,290,820.30, 63,436,230.45 and 28,853,892.30 is: 43,280,838.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,290,820.30 : 63,436,230.45 = 28,853,892.30 : x
  2. Step 2: Convert to fraction form
    42,290,820.30/63,436,230.45 = 28,853,892.30/x
  3. Step 3: Cross multiply
    42,290,820.30x = 63,436,230.45 × 28,853,892.30
  4. Step 4: Simplify right side
    42,290,820.30x = 1,830,382,161,322,280.75
  5. Step 5: Solve for x
    x = 1,830,382,161,322,280.75/42,290,820.30
  6. Step 6: Final answer
    x = 43,280,838.45

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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.