Home / 112,118,035.10-168,177,052.65-73,375,986.20

Finding the Fourth Proportional to 112,118,035.10, 168,177,052.65 and 73,375,986.20

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Solution

The fourth proportional to 112,118,035.10, 168,177,052.65 and 73,375,986.20 is: 110,063,979.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,118,035.10 : 168,177,052.65 = 73,375,986.20 : x
  2. Step 2: Convert to fraction form
    112,118,035.10/168,177,052.65 = 73,375,986.20/x
  3. Step 3: Cross multiply
    112,118,035.10x = 168,177,052.65 × 73,375,986.20
  4. Step 4: Simplify right side
    112,118,035.10x = 12,340,157,094,403,074
  5. Step 5: Solve for x
    x = 12,340,157,094,403,074/112,118,035.10
  6. Step 6: Final answer
    x = 110,063,979.30

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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.