Home / 168,925,279.20-253,891,803.60-165,901,970.40

Finding the Fourth Proportional to 168,925,279.20, 253,891,803.60 and 165,901,970.40

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Solution

The fourth proportional to 168,925,279.20, 253,891,803.60 and 165,901,970.40 is: 249,347,822.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,925,279.20 : 253,891,803.60 = 165,901,970.40 : x
  2. Step 2: Convert to fraction form
    168,925,279.20/253,891,803.60 = 165,901,970.40/x
  3. Step 3: Cross multiply
    168,925,279.20x = 253,891,803.60 × 165,901,970.40
  4. Step 4: Simplify right side
    168,925,279.20x = 42,121,150,485,649,816
  5. Step 5: Solve for x
    x = 42,121,150,485,649,816/168,925,279.20
  6. Step 6: Final answer
    x = 249,347,822.22

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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.