Home / 168,176,400.30-252,264,600.45-91,648,896.30

Finding the Fourth Proportional to 168,176,400.30, 252,264,600.45 and 91,648,896.30

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Solution

The fourth proportional to 168,176,400.30, 252,264,600.45 and 91,648,896.30 is: 137,473,344.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,176,400.30 : 252,264,600.45 = 91,648,896.30 : x
  2. Step 2: Convert to fraction form
    168,176,400.30/252,264,600.45 = 91,648,896.30/x
  3. Step 3: Cross multiply
    168,176,400.30x = 252,264,600.45 × 91,648,896.30
  4. Step 4: Simplify right side
    168,176,400.30x = 23,119,772,206,802,980
  5. Step 5: Solve for x
    x = 23,119,772,206,802,980/168,176,400.30
  6. Step 6: Final answer
    x = 137,473,344.45

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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.