Home / 102,216,654.70-141,058,245.90-55,806,908.50

Finding the Fourth Proportional to 102,216,654.70, 141,058,245.90 and 55,806,908.50

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Solution

The fourth proportional to 102,216,654.70, 141,058,245.90 and 55,806,908.50 is: 77,013,131.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,216,654.70 : 141,058,245.90 = 55,806,908.50 : x
  2. Step 2: Convert to fraction form
    102,216,654.70/141,058,245.90 = 55,806,908.50/x
  3. Step 3: Cross multiply
    102,216,654.70x = 141,058,245.90 × 55,806,908.50
  4. Step 4: Simplify right side
    102,216,654.70x = 7,872,024,622,111,800
  5. Step 5: Solve for x
    x = 7,872,024,622,111,800/102,216,654.70
  6. Step 6: Final answer
    x = 77,013,131.03

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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.