Home / 51,279,818.69-70,763,462.02-28,070,499.89

Finding the Fourth Proportional to 51,279,818.69, 70,763,462.02 and 28,070,499.89

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Solution

The fourth proportional to 51,279,818.69, 70,763,462.02 and 28,070,499.89 is: 38,735,818.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,279,818.69 : 70,763,462.02 = 28,070,499.89 : x
  2. Step 2: Convert to fraction form
    51,279,818.69/70,763,462.02 = 28,070,499.89/x
  3. Step 3: Cross multiply
    51,279,818.69x = 70,763,462.02 × 28,070,499.89
  4. Step 4: Simplify right side
    51,279,818.69x = 1,986,365,753,060,425.75
  5. Step 5: Solve for x
    x = 1,986,365,753,060,425.75/51,279,818.69
  6. Step 6: Final answer
    x = 38,735,818.57

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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.