Home / 217,897,344.66-300,695,887.47-118,775,921.79

Finding the Fourth Proportional to 217,897,344.66, 300,695,887.47 and 118,775,921.79

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Solution

The fourth proportional to 217,897,344.66, 300,695,887.47 and 118,775,921.79 is: 163,909,437.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,897,344.66 : 300,695,887.47 = 118,775,921.79 : x
  2. Step 2: Convert to fraction form
    217,897,344.66/300,695,887.47 = 118,775,921.79/x
  3. Step 3: Cross multiply
    217,897,344.66x = 300,695,887.47 × 118,775,921.79
  4. Step 4: Simplify right side
    217,897,344.66x = 35,715,431,212,711,368
  5. Step 5: Solve for x
    x = 35,715,431,212,711,368/217,897,344.66
  6. Step 6: Final answer
    x = 163,909,437.58

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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.