Home / 85,245,360.50-127,900,252.74-51,190,446.26

Finding the Fourth Proportional to 85,245,360.50, 127,900,252.74 and 51,190,446.26

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Solution

The fourth proportional to 85,245,360.50, 127,900,252.74 and 51,190,446.26 is: 76,805,012.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,245,360.50 : 127,900,252.74 = 51,190,446.26 : x
  2. Step 2: Convert to fraction form
    85,245,360.50/127,900,252.74 = 51,190,446.26/x
  3. Step 3: Cross multiply
    85,245,360.50x = 127,900,252.74 × 51,190,446.26
  4. Step 4: Simplify right side
    85,245,360.50x = 6,547,271,014,527,387
  5. Step 5: Solve for x
    x = 6,547,271,014,527,387/85,245,360.50
  6. Step 6: Final answer
    x = 76,805,012.92

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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.