Home / 102,216,653.70-141,058,244.52-55,806,907.50

Finding the Fourth Proportional to 102,216,653.70, 141,058,244.52 and 55,806,907.50

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Solution

The fourth proportional to 102,216,653.70, 141,058,244.52 and 55,806,907.50 is: 77,013,129.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,216,653.70 : 141,058,244.52 = 55,806,907.50 : x
  2. Step 2: Convert to fraction form
    102,216,653.70/141,058,244.52 = 55,806,907.50/x
  3. Step 3: Cross multiply
    102,216,653.70x = 141,058,244.52 × 55,806,907.50
  4. Step 4: Simplify right side
    102,216,653.70x = 7,872,024,404,040,022
  5. Step 5: Solve for x
    x = 7,872,024,404,040,022/102,216,653.70
  6. Step 6: Final answer
    x = 77,013,129.65

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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.