Home / 42,140,447.04-63,161,876.16-19,373,563.20

Finding the Fourth Proportional to 42,140,447.04, 63,161,876.16 and 19,373,563.20

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Solution

The fourth proportional to 42,140,447.04, 63,161,876.16 and 19,373,563.20 is: 29,037,912.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,140,447.04 : 63,161,876.16 = 19,373,563.20 : x
  2. Step 2: Convert to fraction form
    42,140,447.04/63,161,876.16 = 19,373,563.20/x
  3. Step 3: Cross multiply
    42,140,447.04x = 63,161,876.16 × 19,373,563.20
  4. Step 4: Simplify right side
    42,140,447.04x = 1,223,670,599,616,333.25
  5. Step 5: Solve for x
    x = 1,223,670,599,616,333.25/42,140,447.04
  6. Step 6: Final answer
    x = 29,037,912.16

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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.