Home / 178,653,370.90-246,543,385.65-103,294,040.65

Finding the Fourth Proportional to 178,653,370.90, 246,543,385.65 and 103,294,040.65

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Solution

The fourth proportional to 178,653,370.90, 246,543,385.65 and 103,294,040.65 is: 142,546,778.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,653,370.90 : 246,543,385.65 = 103,294,040.65 : x
  2. Step 2: Convert to fraction form
    178,653,370.90/246,543,385.65 = 103,294,040.65/x
  3. Step 3: Cross multiply
    178,653,370.90x = 246,543,385.65 × 103,294,040.65
  4. Step 4: Simplify right side
    178,653,370.90x = 25,466,462,499,319,728
  5. Step 5: Solve for x
    x = 25,466,462,499,319,728/178,653,370.90
  6. Step 6: Final answer
    x = 142,546,778.55

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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.