Home / 330,091,805.40-495,137,708.10-157,904,921.40

Finding the Fourth Proportional to 330,091,805.40, 495,137,708.10 and 157,904,921.40

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Solution

The fourth proportional to 330,091,805.40, 495,137,708.10 and 157,904,921.40 is: 236,857,382.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,091,805.40 : 495,137,708.10 = 157,904,921.40 : x
  2. Step 2: Convert to fraction form
    330,091,805.40/495,137,708.10 = 157,904,921.40/x
  3. Step 3: Cross multiply
    330,091,805.40x = 495,137,708.10 × 157,904,921.40
  4. Step 4: Simplify right side
    330,091,805.40x = 78,184,680,879,706,656
  5. Step 5: Solve for x
    x = 78,184,680,879,706,656/330,091,805.40
  6. Step 6: Final answer
    x = 236,857,382.10

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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.