Home / 109,512,151.10-164,268,226.65-66,430,000.70

Finding the Fourth Proportional to 109,512,151.10, 164,268,226.65 and 66,430,000.70

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Solution

The fourth proportional to 109,512,151.10, 164,268,226.65 and 66,430,000.70 is: 99,645,001.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,512,151.10 : 164,268,226.65 = 66,430,000.70 : x
  2. Step 2: Convert to fraction form
    109,512,151.10/164,268,226.65 = 66,430,000.70/x
  3. Step 3: Cross multiply
    109,512,151.10x = 164,268,226.65 × 66,430,000.70
  4. Step 4: Simplify right side
    109,512,151.10x = 10,912,338,411,347,260
  5. Step 5: Solve for x
    x = 10,912,338,411,347,260/109,512,151.10
  6. Step 6: Final answer
    x = 99,645,001.05

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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.