Home / 283,320,205.65-391,010,977.35-170,326,278.36

Finding the Fourth Proportional to 283,320,205.65, 391,010,977.35 and 170,326,278.36

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Solution

The fourth proportional to 283,320,205.65, 391,010,977.35 and 170,326,278.36 is: 235,067,754.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,320,205.65 : 391,010,977.35 = 170,326,278.36 : x
  2. Step 2: Convert to fraction form
    283,320,205.65/391,010,977.35 = 170,326,278.36/x
  3. Step 3: Cross multiply
    283,320,205.65x = 391,010,977.35 × 170,326,278.36
  4. Step 4: Simplify right side
    283,320,205.65x = 66,599,444,569,931,768
  5. Step 5: Solve for x
    x = 66,599,444,569,931,768/283,320,205.65
  6. Step 6: Final answer
    x = 235,067,754.58

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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.