Home / 111,897,231.52-154,377,217.68-67,812,427.68

Finding the Fourth Proportional to 111,897,231.52, 154,377,217.68 and 67,812,427.68

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Solution

The fourth proportional to 111,897,231.52, 154,377,217.68 and 67,812,427.68 is: 93,556,326.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,897,231.52 : 154,377,217.68 = 67,812,427.68 : x
  2. Step 2: Convert to fraction form
    111,897,231.52/154,377,217.68 = 67,812,427.68/x
  3. Step 3: Cross multiply
    111,897,231.52x = 154,377,217.68 × 67,812,427.68
  4. Step 4: Simplify right side
    111,897,231.52x = 10,468,693,909,364,618
  5. Step 5: Solve for x
    x = 10,468,693,909,364,618/111,897,231.52
  6. Step 6: Final answer
    x = 93,556,326.35

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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.