Home / 42,509,405.60-63,764,108.40-16,954,359.20

Finding the Fourth Proportional to 42,509,405.60, 63,764,108.40 and 16,954,359.20

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Solution

The fourth proportional to 42,509,405.60, 63,764,108.40 and 16,954,359.20 is: 25,431,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,509,405.60 : 63,764,108.40 = 16,954,359.20 : x
  2. Step 2: Convert to fraction form
    42,509,405.60/63,764,108.40 = 16,954,359.20/x
  3. Step 3: Cross multiply
    42,509,405.60x = 63,764,108.40 × 16,954,359.20
  4. Step 4: Simplify right side
    42,509,405.60x = 1,081,079,597,881,337.25
  5. Step 5: Solve for x
    x = 1,081,079,597,881,337.25/42,509,405.60
  6. Step 6: Final answer
    x = 25,431,538.80

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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.