Home / 85,143,724.40-127,732,175.40-34,017,042.80

Finding the Fourth Proportional to 85,143,724.40, 127,732,175.40 and 34,017,042.80

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Solution

The fourth proportional to 85,143,724.40, 127,732,175.40 and 34,017,042.80 is: 51,032,191.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,143,724.40 : 127,732,175.40 = 34,017,042.80 : x
  2. Step 2: Convert to fraction form
    85,143,724.40/127,732,175.40 = 34,017,042.80/x
  3. Step 3: Cross multiply
    85,143,724.40x = 127,732,175.40 × 34,017,042.80
  4. Step 4: Simplify right side
    85,143,724.40x = 4,345,070,877,518,907
  5. Step 5: Solve for x
    x = 4,345,070,877,518,907/85,143,724.40
  6. Step 6: Final answer
    x = 51,032,191.84

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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.