Home / 156,675,008.70-235,012,513.05-153,489,959.10

Finding the Fourth Proportional to 156,675,008.70, 235,012,513.05 and 153,489,959.10

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Solution

The fourth proportional to 156,675,008.70, 235,012,513.05 and 153,489,959.10 is: 230,234,938.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,675,008.70 : 235,012,513.05 = 153,489,959.10 : x
  2. Step 2: Convert to fraction form
    156,675,008.70/235,012,513.05 = 153,489,959.10/x
  3. Step 3: Cross multiply
    156,675,008.70x = 235,012,513.05 × 153,489,959.10
  4. Step 4: Simplify right side
    156,675,008.70x = 36,072,061,016,032,720
  5. Step 5: Solve for x
    x = 36,072,061,016,032,720/156,675,008.70
  6. Step 6: Final answer
    x = 230,234,938.65

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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.