Home / 123,787,429.26-170,830,494.86-68,031,835.20

Finding the Fourth Proportional to 123,787,429.26, 170,830,494.86 and 68,031,835.20

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Solution

The fourth proportional to 123,787,429.26, 170,830,494.86 and 68,031,835.20 is: 93,886,044.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,787,429.26 : 170,830,494.86 = 68,031,835.20 : x
  2. Step 2: Convert to fraction form
    123,787,429.26/170,830,494.86 = 68,031,835.20/x
  3. Step 3: Cross multiply
    123,787,429.26x = 170,830,494.86 × 68,031,835.20
  4. Step 4: Simplify right side
    123,787,429.26x = 11,621,912,073,449,968
  5. Step 5: Solve for x
    x = 11,621,912,073,449,968/123,787,429.26
  6. Step 6: Final answer
    x = 93,886,044.35

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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.