Home / 53,406,005.40-80,109,008.10-49,822,824.60

Finding the Fourth Proportional to 53,406,005.40, 80,109,008.10 and 49,822,824.60

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Solution

The fourth proportional to 53,406,005.40, 80,109,008.10 and 49,822,824.60 is: 74,734,236.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,406,005.40 : 80,109,008.10 = 49,822,824.60 : x
  2. Step 2: Convert to fraction form
    53,406,005.40/80,109,008.10 = 49,822,824.60/x
  3. Step 3: Cross multiply
    53,406,005.40x = 80,109,008.10 × 49,822,824.60
  4. Step 4: Simplify right side
    53,406,005.40x = 3,991,257,059,446,279
  5. Step 5: Solve for x
    x = 3,991,257,059,446,279/53,406,005.40
  6. Step 6: Final answer
    x = 74,734,236.90

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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.