Home / 85,835,363.80-128,753,045.70-58,625,584.60

Finding the Fourth Proportional to 85,835,363.80, 128,753,045.70 and 58,625,584.60

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Solution

The fourth proportional to 85,835,363.80, 128,753,045.70 and 58,625,584.60 is: 87,938,376.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,835,363.80 : 128,753,045.70 = 58,625,584.60 : x
  2. Step 2: Convert to fraction form
    85,835,363.80/128,753,045.70 = 58,625,584.60/x
  3. Step 3: Cross multiply
    85,835,363.80x = 128,753,045.70 × 58,625,584.60
  4. Step 4: Simplify right side
    85,835,363.80x = 7,548,222,573,193,017
  5. Step 5: Solve for x
    x = 7,548,222,573,193,017/85,835,363.80
  6. Step 6: Final answer
    x = 87,938,376.90

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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.