Home / 105,948,281.40-158,922,422.10-54,292,216.20

Finding the Fourth Proportional to 105,948,281.40, 158,922,422.10 and 54,292,216.20

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Solution

The fourth proportional to 105,948,281.40, 158,922,422.10 and 54,292,216.20 is: 81,438,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,948,281.40 : 158,922,422.10 = 54,292,216.20 : x
  2. Step 2: Convert to fraction form
    105,948,281.40/158,922,422.10 = 54,292,216.20/x
  3. Step 3: Cross multiply
    105,948,281.40x = 158,922,422.10 × 54,292,216.20
  4. Step 4: Simplify right side
    105,948,281.40x = 8,628,250,499,680,858
  5. Step 5: Solve for x
    x = 8,628,250,499,680,858/105,948,281.40
  6. Step 6: Final answer
    x = 81,438,324.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.