Home / 42,690,040.12-59,011,542.88-38,089,423.16

Finding the Fourth Proportional to 42,690,040.12, 59,011,542.88 and 38,089,423.16

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Solution

The fourth proportional to 42,690,040.12, 59,011,542.88 and 38,089,423.16 is: 52,651,991.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,690,040.12 : 59,011,542.88 = 38,089,423.16 : x
  2. Step 2: Convert to fraction form
    42,690,040.12/59,011,542.88 = 38,089,423.16/x
  3. Step 3: Cross multiply
    42,690,040.12x = 59,011,542.88 × 38,089,423.16
  4. Step 4: Simplify right side
    42,690,040.12x = 2,247,715,628,080,805
  5. Step 5: Solve for x
    x = 2,247,715,628,080,805/42,690,040.12
  6. Step 6: Final answer
    x = 52,651,991.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.