Home / 217,670,301.37-326,645,921.01-79,484,338.68

Finding the Fourth Proportional to 217,670,301.37, 326,645,921.01 and 79,484,338.68

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Solution

The fourth proportional to 217,670,301.37, 326,645,921.01 and 79,484,338.68 is: 119,277,801.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,670,301.37 : 326,645,921.01 = 79,484,338.68 : x
  2. Step 2: Convert to fraction form
    217,670,301.37/326,645,921.01 = 79,484,338.68/x
  3. Step 3: Cross multiply
    217,670,301.37x = 326,645,921.01 × 79,484,338.68
  4. Step 4: Simplify right side
    217,670,301.37x = 25,963,235,013,182,752
  5. Step 5: Solve for x
    x = 25,963,235,013,182,752/217,670,301.37
  6. Step 6: Final answer
    x = 119,277,801.57

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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.