Home / 117,120,924.27-161,626,890.81-64,913,330.48

Finding the Fourth Proportional to 117,120,924.27, 161,626,890.81 and 64,913,330.48

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Solution

The fourth proportional to 117,120,924.27, 161,626,890.81 and 64,913,330.48 is: 89,580,404.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,120,924.27 : 161,626,890.81 = 64,913,330.48 : x
  2. Step 2: Convert to fraction form
    117,120,924.27/161,626,890.81 = 64,913,330.48/x
  3. Step 3: Cross multiply
    117,120,924.27x = 161,626,890.81 × 64,913,330.48
  4. Step 4: Simplify right side
    117,120,924.27x = 10,491,739,776,796,270
  5. Step 5: Solve for x
    x = 10,491,739,776,796,270/117,120,924.27
  6. Step 6: Final answer
    x = 89,580,404.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.