Home / 154,147,227.73-212,722,946.55-83,582,709.71

Finding the Fourth Proportional to 154,147,227.73, 212,722,946.55 and 83,582,709.71

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Solution

The fourth proportional to 154,147,227.73, 212,722,946.55 and 83,582,709.71 is: 115,344,015.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,147,227.73 : 212,722,946.55 = 83,582,709.71 : x
  2. Step 2: Convert to fraction form
    154,147,227.73/212,722,946.55 = 83,582,709.71/x
  3. Step 3: Cross multiply
    154,147,227.73x = 212,722,946.55 × 83,582,709.71
  4. Step 4: Simplify right side
    154,147,227.73x = 17,779,960,289,080,882
  5. Step 5: Solve for x
    x = 17,779,960,289,080,882/154,147,227.73
  6. Step 6: Final answer
    x = 115,344,015.92

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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.