Home / 85,071,443.70-127,607,165.55-27,565,590.90

Finding the Fourth Proportional to 85,071,443.70, 127,607,165.55 and 27,565,590.90

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Solution

The fourth proportional to 85,071,443.70, 127,607,165.55 and 27,565,590.90 is: 41,348,386.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,071,443.70 : 127,607,165.55 = 27,565,590.90 : x
  2. Step 2: Convert to fraction form
    85,071,443.70/127,607,165.55 = 27,565,590.90/x
  3. Step 3: Cross multiply
    85,071,443.70x = 127,607,165.55 × 27,565,590.90
  4. Step 4: Simplify right side
    85,071,443.70x = 3,517,566,921,459,873
  5. Step 5: Solve for x
    x = 3,517,566,921,459,873/85,071,443.70
  6. Step 6: Final answer
    x = 41,348,386.35

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Double scale
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Similar ratio
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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.