Home / 40,278,256.64-60,436,280.64-20,085,073.28

Finding the Fourth Proportional to 40,278,256.64, 60,436,280.64 and 20,085,073.28

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Solution

The fourth proportional to 40,278,256.64, 60,436,280.64 and 20,085,073.28 is: 30,137,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,278,256.64 : 60,436,280.64 = 20,085,073.28 : x
  2. Step 2: Convert to fraction form
    40,278,256.64/60,436,280.64 = 20,085,073.28/x
  3. Step 3: Cross multiply
    40,278,256.64x = 60,436,280.64 × 20,085,073.28
  4. Step 4: Simplify right side
    40,278,256.64x = 1,213,867,125,425,045.50
  5. Step 5: Solve for x
    x = 1,213,867,125,425,045.50/40,278,256.64
  6. Step 6: Final answer
    x = 30,137,032.40

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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.