Home / 185,069,840.40-255,392,033.52-102,561,853.68

Finding the Fourth Proportional to 185,069,840.40, 255,392,033.52 and 102,561,853.68

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Solution

The fourth proportional to 185,069,840.40, 255,392,033.52 and 102,561,853.68 is: 141,532,949.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,069,840.40 : 255,392,033.52 = 102,561,853.68 : x
  2. Step 2: Convert to fraction form
    185,069,840.40/255,392,033.52 = 102,561,853.68/x
  3. Step 3: Cross multiply
    185,069,840.40x = 255,392,033.52 × 102,561,853.68
  4. Step 4: Simplify right side
    185,069,840.40x = 26,193,480,372,915,900
  5. Step 5: Solve for x
    x = 26,193,480,372,915,900/185,069,840.40
  6. Step 6: Final answer
    x = 141,532,949.49

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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.