Home / 345,107,442.47-517,733,876.04-111,919,971.82

Finding the Fourth Proportional to 345,107,442.47, 517,733,876.04 and 111,919,971.82

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Solution

The fourth proportional to 345,107,442.47, 517,733,876.04 and 111,919,971.82 is: 167,903,538.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,107,442.47 : 517,733,876.04 = 111,919,971.82 : x
  2. Step 2: Convert to fraction form
    345,107,442.47/517,733,876.04 = 111,919,971.82/x
  3. Step 3: Cross multiply
    345,107,442.47x = 517,733,876.04 × 111,919,971.82
  4. Step 4: Simplify right side
    345,107,442.47x = 57,944,760,816,656,168
  5. Step 5: Solve for x
    x = 57,944,760,816,656,168/345,107,442.47
  6. Step 6: Final answer
    x = 167,903,538.68

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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.