Home / 42,195,999.40-63,293,999.10-40,495,388.20

Finding the Fourth Proportional to 42,195,999.40, 63,293,999.10 and 40,495,388.20

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Solution

The fourth proportional to 42,195,999.40, 63,293,999.10 and 40,495,388.20 is: 60,743,082.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,195,999.40 : 63,293,999.10 = 40,495,388.20 : x
  2. Step 2: Convert to fraction form
    42,195,999.40/63,293,999.10 = 40,495,388.20/x
  3. Step 3: Cross multiply
    42,195,999.40x = 63,293,999.10 × 40,495,388.20
  4. Step 4: Simplify right side
    42,195,999.40x = 2,563,115,064,284,951
  5. Step 5: Solve for x
    x = 2,563,115,064,284,951/42,195,999.40
  6. Step 6: Final answer
    x = 60,743,082.30

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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.