Home / 109,716,608.20-164,574,912.30-99,672,373.30

Finding the Fourth Proportional to 109,716,608.20, 164,574,912.30 and 99,672,373.30

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Solution

The fourth proportional to 109,716,608.20, 164,574,912.30 and 99,672,373.30 is: 149,508,559.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,716,608.20 : 164,574,912.30 = 99,672,373.30 : x
  2. Step 2: Convert to fraction form
    109,716,608.20/164,574,912.30 = 99,672,373.30/x
  3. Step 3: Cross multiply
    109,716,608.20x = 164,574,912.30 × 99,672,373.30
  4. Step 4: Simplify right side
    109,716,608.20x = 16,403,572,094,580,362
  5. Step 5: Solve for x
    x = 16,403,572,094,580,362/109,716,608.20
  6. Step 6: Final answer
    x = 149,508,559.95

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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.