Home / 217,834,439-326,815,476.60-70,279,007

Finding the Fourth Proportional to 217,834,439, 326,815,476.60 and 70,279,007

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Solution

The fourth proportional to 217,834,439, 326,815,476.60 and 70,279,007 is: 105,439,099.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,834,439 : 326,815,476.60 = 70,279,007 : x
  2. Step 2: Convert to fraction form
    217,834,439/326,815,476.60 = 70,279,007/x
  3. Step 3: Cross multiply
    217,834,439x = 326,815,476.60 × 70,279,007
  4. Step 4: Simplify right side
    217,834,439x = 22,968,267,167,679,736
  5. Step 5: Solve for x
    x = 22,968,267,167,679,736/217,834,439
  6. Step 6: Final answer
    x = 105,439,099.86

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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.