Home / 42,290,623.60-63,435,935.40-40,107,122.80

Finding the Fourth Proportional to 42,290,623.60, 63,435,935.40 and 40,107,122.80

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Solution

The fourth proportional to 42,290,623.60, 63,435,935.40 and 40,107,122.80 is: 60,160,684.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,290,623.60 : 63,435,935.40 = 40,107,122.80 : x
  2. Step 2: Convert to fraction form
    42,290,623.60/63,435,935.40 = 40,107,122.80/x
  3. Step 3: Cross multiply
    42,290,623.60x = 63,435,935.40 × 40,107,122.80
  4. Step 4: Simplify right side
    42,290,623.60x = 2,544,232,851,020,667
  5. Step 5: Solve for x
    x = 2,544,232,851,020,667/42,290,623.60
  6. Step 6: Final answer
    x = 60,160,684.20

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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.