Home / 42,170,416.20-63,213,633.90-19,411,619.40

Finding the Fourth Proportional to 42,170,416.20, 63,213,633.90 and 19,411,619.40

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Solution

The fourth proportional to 42,170,416.20, 63,213,633.90 and 19,411,619.40 is: 29,098,100.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,170,416.20 : 63,213,633.90 = 19,411,619.40 : x
  2. Step 2: Convert to fraction form
    42,170,416.20/63,213,633.90 = 19,411,619.40/x
  3. Step 3: Cross multiply
    42,170,416.20x = 63,213,633.90 × 19,411,619.40
  4. Step 4: Simplify right side
    42,170,416.20x = 1,227,079,002,157,737.50
  5. Step 5: Solve for x
    x = 1,227,079,002,157,737.50/42,170,416.20
  6. Step 6: Final answer
    x = 29,098,100.34

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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.