Home / 51,339,734-70,849,390.66-28,134,362.76

Finding the Fourth Proportional to 51,339,734, 70,849,390.66 and 28,134,362.76

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Solution

The fourth proportional to 51,339,734, 70,849,390.66 and 28,134,362.76 is: 38,825,726.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,339,734 : 70,849,390.66 = 28,134,362.76 : x
  2. Step 2: Convert to fraction form
    51,339,734/70,849,390.66 = 28,134,362.76/x
  3. Step 3: Cross multiply
    51,339,734x = 70,849,390.66 × 28,134,362.76
  4. Step 4: Simplify right side
    51,339,734x = 1,993,302,458,153,395.75
  5. Step 5: Solve for x
    x = 1,993,302,458,153,395.75/51,339,734
  6. Step 6: Final answer
    x = 38,825,726.25

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1.5x scale

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.