Home / 85,085,494.28-117,472,285.53-69,441,888.82

Finding the Fourth Proportional to 85,085,494.28, 117,472,285.53 and 69,441,888.82

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Solution

The fourth proportional to 85,085,494.28, 117,472,285.53 and 69,441,888.82 is: 95,874,125.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,085,494.28 : 117,472,285.53 = 69,441,888.82 : x
  2. Step 2: Convert to fraction form
    85,085,494.28/117,472,285.53 = 69,441,888.82/x
  3. Step 3: Cross multiply
    85,085,494.28x = 117,472,285.53 × 69,441,888.82
  4. Step 4: Simplify right side
    85,085,494.28x = 8,157,497,390,270,984
  5. Step 5: Solve for x
    x = 8,157,497,390,270,984/85,085,494.28
  6. Step 6: Final answer
    x = 95,874,125.89

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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.