Home / 51,752,661.12-71,418,871.80-28,547,453.88

Finding the Fourth Proportional to 51,752,661.12, 71,418,871.80 and 28,547,453.88

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Solution

The fourth proportional to 51,752,661.12, 71,418,871.80 and 28,547,453.88 is: 39,395,596.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,752,661.12 : 71,418,871.80 = 28,547,453.88 : x
  2. Step 2: Convert to fraction form
    51,752,661.12/71,418,871.80 = 28,547,453.88/x
  3. Step 3: Cross multiply
    51,752,661.12x = 71,418,871.80 × 28,547,453.88
  4. Step 4: Simplify right side
    51,752,661.12x = 2,038,826,948,872,132.50
  5. Step 5: Solve for x
    x = 2,038,826,948,872,132.50/51,752,661.12
  6. Step 6: Final answer
    x = 39,395,596.38

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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.