Home / 84,217,391.76-116,379,805.50-60,772,872.06

Finding the Fourth Proportional to 84,217,391.76, 116,379,805.50 and 60,772,872.06

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Solution

The fourth proportional to 84,217,391.76, 116,379,805.50 and 60,772,872.06 is: 83,981,881.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,217,391.76 : 116,379,805.50 = 60,772,872.06 : x
  2. Step 2: Convert to fraction form
    84,217,391.76/116,379,805.50 = 60,772,872.06/x
  3. Step 3: Cross multiply
    84,217,391.76x = 116,379,805.50 × 60,772,872.06
  4. Step 4: Simplify right side
    84,217,391.76x = 7,072,735,030,019,185
  5. Step 5: Solve for x
    x = 7,072,735,030,019,185/84,217,391.76
  6. Step 6: Final answer
    x = 83,981,881.68

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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.