Home / 117,320,229.99-161,900,869.05-64,395,370.25

Finding the Fourth Proportional to 117,320,229.99, 161,900,869.05 and 64,395,370.25

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Solution

The fourth proportional to 117,320,229.99, 161,900,869.05 and 64,395,370.25 is: 88,865,035.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,320,229.99 : 161,900,869.05 = 64,395,370.25 : x
  2. Step 2: Convert to fraction form
    117,320,229.99/161,900,869.05 = 64,395,370.25/x
  3. Step 3: Cross multiply
    117,320,229.99x = 161,900,869.05 × 64,395,370.25
  4. Step 4: Simplify right side
    117,320,229.99x = 10,425,666,406,069,140
  5. Step 5: Solve for x
    x = 10,425,666,406,069,140/117,320,229.99
  6. Step 6: Final answer
    x = 88,865,035.53

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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.