Home / 90,288,554.80-124,605,889.87-51,137,296.33

Finding the Fourth Proportional to 90,288,554.80, 124,605,889.87 and 51,137,296.33

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Solution

The fourth proportional to 90,288,554.80, 124,605,889.87 and 51,137,296.33 is: 70,573,821.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,288,554.80 : 124,605,889.87 = 51,137,296.33 : x
  2. Step 2: Convert to fraction form
    90,288,554.80/124,605,889.87 = 51,137,296.33/x
  3. Step 3: Cross multiply
    90,288,554.80x = 124,605,889.87 × 51,137,296.33
  4. Step 4: Simplify right side
    90,288,554.80x = 6,372,008,314,745,535
  5. Step 5: Solve for x
    x = 6,372,008,314,745,535/90,288,554.80
  6. Step 6: Final answer
    x = 70,573,821.11

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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.