Home / 120,365,849.52-166,102,499.88-70,811,578.80

Finding the Fourth Proportional to 120,365,849.52, 166,102,499.88 and 70,811,578.80

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Solution

The fourth proportional to 120,365,849.52, 166,102,499.88 and 70,811,578.80 is: 97,718,583.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,365,849.52 : 166,102,499.88 = 70,811,578.80 : x
  2. Step 2: Convert to fraction form
    120,365,849.52/166,102,499.88 = 70,811,578.80/x
  3. Step 3: Cross multiply
    120,365,849.52x = 166,102,499.88 × 70,811,578.80
  4. Step 4: Simplify right side
    120,365,849.52x = 11,761,980,259,129,610
  5. Step 5: Solve for x
    x = 11,761,980,259,129,610/120,365,849.52
  6. Step 6: Final answer
    x = 97,718,583.02

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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.