Home / 51,287,870.72-70,777,376.15-27,766,655.34

Finding the Fourth Proportional to 51,287,870.72, 70,777,376.15 and 27,766,655.34

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Solution

The fourth proportional to 51,287,870.72, 70,777,376.15 and 27,766,655.34 is: 38,318,046.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,287,870.72 : 70,777,376.15 = 27,766,655.34 : x
  2. Step 2: Convert to fraction form
    51,287,870.72/70,777,376.15 = 27,766,655.34/x
  3. Step 3: Cross multiply
    51,287,870.72x = 70,777,376.15 × 27,766,655.34
  4. Step 4: Simplify right side
    51,287,870.72x = 1,965,251,009,426,586.25
  5. Step 5: Solve for x
    x = 1,965,251,009,426,586.25/51,287,870.72
  6. Step 6: Final answer
    x = 38,318,046.39

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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.