Home / 147,494,976.22-221,307,731.90-77,448,727.72

Finding the Fourth Proportional to 147,494,976.22, 221,307,731.90 and 77,448,727.72

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Solution

The fourth proportional to 147,494,976.22, 221,307,731.90 and 77,448,727.72 is: 116,207,363.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,494,976.22 : 221,307,731.90 = 77,448,727.72 : x
  2. Step 2: Convert to fraction form
    147,494,976.22/221,307,731.90 = 77,448,727.72/x
  3. Step 3: Cross multiply
    147,494,976.22x = 221,307,731.90 × 77,448,727.72
  4. Step 4: Simplify right side
    147,494,976.22x = 17,140,002,270,253,858
  5. Step 5: Solve for x
    x = 17,140,002,270,253,858/147,494,976.22
  6. Step 6: Final answer
    x = 116,207,363.19

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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.