Home / 84,312,911.52-116,306,936.10-51,283,262.88

Finding the Fourth Proportional to 84,312,911.52, 116,306,936.10 and 51,283,262.88

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Solution

The fourth proportional to 84,312,911.52, 116,306,936.10 and 51,283,262.88 is: 70,743,603.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,312,911.52 : 116,306,936.10 = 51,283,262.88 : x
  2. Step 2: Convert to fraction form
    84,312,911.52/116,306,936.10 = 51,283,262.88/x
  3. Step 3: Cross multiply
    84,312,911.52x = 116,306,936.10 × 51,283,262.88
  4. Step 4: Simplify right side
    84,312,911.52x = 5,964,599,178,783,662
  5. Step 5: Solve for x
    x = 5,964,599,178,783,662/84,312,911.52
  6. Step 6: Final answer
    x = 70,743,603.46

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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.