Home / 217,670,307.33-326,645,929.95-79,484,344.66

Finding the Fourth Proportional to 217,670,307.33, 326,645,929.95 and 79,484,344.66

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Solution

The fourth proportional to 217,670,307.33, 326,645,929.95 and 79,484,344.66 is: 119,277,810.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,670,307.33 : 326,645,929.95 = 79,484,344.66 : x
  2. Step 2: Convert to fraction form
    217,670,307.33/326,645,929.95 = 79,484,344.66/x
  3. Step 3: Cross multiply
    217,670,307.33x = 326,645,929.95 × 79,484,344.66
  4. Step 4: Simplify right side
    217,670,307.33x = 25,963,237,677,932,016
  5. Step 5: Solve for x
    x = 25,963,237,677,932,016/217,670,307.33
  6. Step 6: Final answer
    x = 119,277,810.54

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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.