Home / 98,248,296.80-147,372,445.20-68,015,208.80

Finding the Fourth Proportional to 98,248,296.80, 147,372,445.20 and 68,015,208.80

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Solution

The fourth proportional to 98,248,296.80, 147,372,445.20 and 68,015,208.80 is: 102,022,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,248,296.80 : 147,372,445.20 = 68,015,208.80 : x
  2. Step 2: Convert to fraction form
    98,248,296.80/147,372,445.20 = 68,015,208.80/x
  3. Step 3: Cross multiply
    98,248,296.80x = 147,372,445.20 × 68,015,208.80
  4. Step 4: Simplify right side
    98,248,296.80x = 10,023,567,631,644,556
  5. Step 5: Solve for x
    x = 10,023,567,631,644,556/98,248,296.80
  6. Step 6: Final answer
    x = 102,022,813.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.