Home / 171,072,001.40-256,608,002.10-75,520,513.40

Finding the Fourth Proportional to 171,072,001.40, 256,608,002.10 and 75,520,513.40

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Solution

The fourth proportional to 171,072,001.40, 256,608,002.10 and 75,520,513.40 is: 113,280,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,001.40 : 256,608,002.10 = 75,520,513.40 : x
  2. Step 2: Convert to fraction form
    171,072,001.40/256,608,002.10 = 75,520,513.40/x
  3. Step 3: Cross multiply
    171,072,001.40x = 256,608,002.10 × 75,520,513.40
  4. Step 4: Simplify right side
    171,072,001.40x = 19,379,168,061,140,280
  5. Step 5: Solve for x
    x = 19,379,168,061,140,280/171,072,001.40
  6. Step 6: Final answer
    x = 113,280,770.10

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Similar ratio
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1.5x scale

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.