Home / 51,657,315.69-71,287,093.12-28,452,443.79

Finding the Fourth Proportional to 51,657,315.69, 71,287,093.12 and 28,452,443.79

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Solution

The fourth proportional to 51,657,315.69, 71,287,093.12 and 28,452,443.79 is: 39,264,371.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,657,315.69 : 71,287,093.12 = 28,452,443.79 : x
  2. Step 2: Convert to fraction form
    51,657,315.69/71,287,093.12 = 28,452,443.79/x
  3. Step 3: Cross multiply
    51,657,315.69x = 71,287,093.12 × 28,452,443.79
  4. Step 4: Simplify right side
    51,657,315.69x = 2,028,292,009,797,849.75
  5. Step 5: Solve for x
    x = 2,028,292,009,797,849.75/51,657,315.69
  6. Step 6: Final answer
    x = 39,264,371.03

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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.