Home / 90,288,620.58-124,605,980.88-51,137,362.11

Finding the Fourth Proportional to 90,288,620.58, 124,605,980.88 and 51,137,362.11

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Solution

The fourth proportional to 90,288,620.58, 124,605,980.88 and 51,137,362.11 is: 70,573,912.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,288,620.58 : 124,605,980.88 = 51,137,362.11 : x
  2. Step 2: Convert to fraction form
    90,288,620.58/124,605,980.88 = 51,137,362.11/x
  3. Step 3: Cross multiply
    90,288,620.58x = 124,605,980.88 × 51,137,362.11
  4. Step 4: Simplify right side
    90,288,620.58x = 6,372,021,165,332,296
  5. Step 5: Solve for x
    x = 6,372,021,165,332,296/90,288,620.58
  6. Step 6: Final answer
    x = 70,573,912.02

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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.