Home / 42,201,141.20-63,301,711.80-13,449,381.20

Finding the Fourth Proportional to 42,201,141.20, 63,301,711.80 and 13,449,381.20

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Solution

The fourth proportional to 42,201,141.20, 63,301,711.80 and 13,449,381.20 is: 20,174,071.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,201,141.20 : 63,301,711.80 = 13,449,381.20 : x
  2. Step 2: Convert to fraction form
    42,201,141.20/63,301,711.80 = 13,449,381.20/x
  3. Step 3: Cross multiply
    42,201,141.20x = 63,301,711.80 × 13,449,381.20
  4. Step 4: Simplify right side
    42,201,141.20x = 851,368,852,610,738.12
  5. Step 5: Solve for x
    x = 851,368,852,610,738.12/42,201,141.20
  6. Step 6: Final answer
    x = 20,174,071.80

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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.