Home / 134,787,641.20-202,181,461.80-54,066,540.40

Finding the Fourth Proportional to 134,787,641.20, 202,181,461.80 and 54,066,540.40

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Solution

The fourth proportional to 134,787,641.20, 202,181,461.80 and 54,066,540.40 is: 81,099,810.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,787,641.20 : 202,181,461.80 = 54,066,540.40 : x
  2. Step 2: Convert to fraction form
    134,787,641.20/202,181,461.80 = 54,066,540.40/x
  3. Step 3: Cross multiply
    134,787,641.20x = 202,181,461.80 × 54,066,540.40
  4. Step 4: Simplify right side
    134,787,641.20x = 10,931,252,172,540,758
  5. Step 5: Solve for x
    x = 10,931,252,172,540,758/134,787,641.20
  6. Step 6: Final answer
    x = 81,099,810.60

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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.