Home / 42,170,038.80-63,182,775.96-28,311,041.04

Finding the Fourth Proportional to 42,170,038.80, 63,182,775.96 and 28,311,041.04

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Solution

The fourth proportional to 42,170,038.80, 63,182,775.96 and 28,311,041.04 is: 42,418,034.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,170,038.80 : 63,182,775.96 = 28,311,041.04 : x
  2. Step 2: Convert to fraction form
    42,170,038.80/63,182,775.96 = 28,311,041.04/x
  3. Step 3: Cross multiply
    42,170,038.80x = 63,182,775.96 × 28,311,041.04
  4. Step 4: Simplify right side
    42,170,038.80x = 1,788,770,163,224,685.25
  5. Step 5: Solve for x
    x = 1,788,770,163,224,685.25/42,170,038.80
  6. Step 6: Final answer
    x = 42,418,034.56

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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.