Home / 51,275,501.52-70,760,189.79-28,070,628.36

Finding the Fourth Proportional to 51,275,501.52, 70,760,189.79 and 28,070,628.36

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Solution

The fourth proportional to 51,275,501.52, 70,760,189.79 and 28,070,628.36 is: 38,737,465.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,275,501.52 : 70,760,189.79 = 28,070,628.36 : x
  2. Step 2: Convert to fraction form
    51,275,501.52/70,760,189.79 = 28,070,628.36/x
  3. Step 3: Cross multiply
    51,275,501.52x = 70,760,189.79 × 28,070,628.36
  4. Step 4: Simplify right side
    51,275,501.52x = 1,986,282,990,278,156.50
  5. Step 5: Solve for x
    x = 1,986,282,990,278,156.50/51,275,501.52
  6. Step 6: Final answer
    x = 38,737,465.87

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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.