Home / 91,071,267.65-125,679,346.52-49,818,160.43

Finding the Fourth Proportional to 91,071,267.65, 125,679,346.52 and 49,818,160.43

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Solution

The fourth proportional to 91,071,267.65, 125,679,346.52 and 49,818,160.43 is: 68,749,606.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,071,267.65 : 125,679,346.52 = 49,818,160.43 : x
  2. Step 2: Convert to fraction form
    91,071,267.65/125,679,346.52 = 49,818,160.43/x
  3. Step 3: Cross multiply
    91,071,267.65x = 125,679,346.52 × 49,818,160.43
  4. Step 4: Simplify right side
    91,071,267.65x = 6,261,113,846,793,434
  5. Step 5: Solve for x
    x = 6,261,113,846,793,434/91,071,267.65
  6. Step 6: Final answer
    x = 68,749,606.86

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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.