Home / 51,231,148.34-70,699,542.72-28,025,777.08

Finding the Fourth Proportional to 51,231,148.34, 70,699,542.72 and 28,025,777.08

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Solution

The fourth proportional to 51,231,148.34, 70,699,542.72 and 28,025,777.08 is: 38,675,877.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,231,148.34 : 70,699,542.72 = 28,025,777.08 : x
  2. Step 2: Convert to fraction form
    51,231,148.34/70,699,542.72 = 28,025,777.08/x
  3. Step 3: Cross multiply
    51,231,148.34x = 70,699,542.72 × 28,025,777.08
  4. Step 4: Simplify right side
    51,231,148.34x = 1,981,409,623,928,656.75
  5. Step 5: Solve for x
    x = 1,981,409,623,928,656.75/51,231,148.34
  6. Step 6: Final answer
    x = 38,675,877.63

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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.