Home / 99,832,760.93-149,649,939.08-69,476,851.01

Finding the Fourth Proportional to 99,832,760.93, 149,649,939.08 and 69,476,851.01

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Solution

The fourth proportional to 99,832,760.93, 149,649,939.08 and 69,476,851.01 is: 104,146,238.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,832,760.93 : 149,649,939.08 = 69,476,851.01 : x
  2. Step 2: Convert to fraction form
    99,832,760.93/149,649,939.08 = 69,476,851.01/x
  3. Step 3: Cross multiply
    99,832,760.93x = 149,649,939.08 × 69,476,851.01
  4. Step 4: Simplify right side
    99,832,760.93x = 10,397,206,520,769,352
  5. Step 5: Solve for x
    x = 10,397,206,520,769,352/99,832,760.93
  6. Step 6: Final answer
    x = 104,146,238.41

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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.