Home / 42,165,361.20-63,108,073.80-30,618,001.20

Finding the Fourth Proportional to 42,165,361.20, 63,108,073.80 and 30,618,001.20

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Solution

The fourth proportional to 42,165,361.20, 63,108,073.80 and 30,618,001.20 is: 45,825,365.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,165,361.20 : 63,108,073.80 = 30,618,001.20 : x
  2. Step 2: Convert to fraction form
    42,165,361.20/63,108,073.80 = 30,618,001.20/x
  3. Step 3: Cross multiply
    42,165,361.20x = 63,108,073.80 × 30,618,001.20
  4. Step 4: Simplify right side
    42,165,361.20x = 1,932,243,079,338,088.50
  5. Step 5: Solve for x
    x = 1,932,243,079,338,088.50/42,165,361.20
  6. Step 6: Final answer
    x = 45,825,365.28

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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.