Home / 68,256,669.60-102,385,004.40-66,367,101.60

Finding the Fourth Proportional to 68,256,669.60, 102,385,004.40 and 66,367,101.60

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Solution

The fourth proportional to 68,256,669.60, 102,385,004.40 and 66,367,101.60 is: 99,550,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,256,669.60 : 102,385,004.40 = 66,367,101.60 : x
  2. Step 2: Convert to fraction form
    68,256,669.60/102,385,004.40 = 66,367,101.60/x
  3. Step 3: Cross multiply
    68,256,669.60x = 102,385,004.40 × 66,367,101.60
  4. Step 4: Simplify right side
    68,256,669.60x = 6,794,995,989,331,248
  5. Step 5: Solve for x
    x = 6,794,995,989,331,248/68,256,669.60
  6. Step 6: Final answer
    x = 99,550,652.40

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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.