Home / 155,280,253.55-232,722,566.17-82,531,885.55

Finding the Fourth Proportional to 155,280,253.55, 232,722,566.17 and 82,531,885.55

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Solution

The fourth proportional to 155,280,253.55, 232,722,566.17 and 82,531,885.55 is: 123,692,689.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,280,253.55 : 232,722,566.17 = 82,531,885.55 : x
  2. Step 2: Convert to fraction form
    155,280,253.55/232,722,566.17 = 82,531,885.55/x
  3. Step 3: Cross multiply
    155,280,253.55x = 232,722,566.17 × 82,531,885.55
  4. Step 4: Simplify right side
    155,280,253.55x = 19,207,032,196,044,740
  5. Step 5: Solve for x
    x = 19,207,032,196,044,740/155,280,253.55
  6. Step 6: Final answer
    x = 123,692,689.55

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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.