Home / 85,365,264.16-117,754,890.80-51,394,173.20

Finding the Fourth Proportional to 85,365,264.16, 117,754,890.80 and 51,394,173.20

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Solution

The fourth proportional to 85,365,264.16, 117,754,890.80 and 51,394,173.20 is: 70,894,353.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,365,264.16 : 117,754,890.80 = 51,394,173.20 : x
  2. Step 2: Convert to fraction form
    85,365,264.16/117,754,890.80 = 51,394,173.20/x
  3. Step 3: Cross multiply
    85,365,264.16x = 117,754,890.80 × 51,394,173.20
  4. Step 4: Simplify right side
    85,365,264.16x = 6,051,915,252,922,287
  5. Step 5: Solve for x
    x = 6,051,915,252,922,287/85,365,264.16
  6. Step 6: Final answer
    x = 70,894,353.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.