Home / 209,952,089.14-289,733,455.29-117,127,061.14

Finding the Fourth Proportional to 209,952,089.14, 289,733,455.29 and 117,127,061.14

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Solution

The fourth proportional to 209,952,089.14, 289,733,455.29 and 117,127,061.14 is: 161,635,105.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,089.14 : 289,733,455.29 = 117,127,061.14 : x
  2. Step 2: Convert to fraction form
    209,952,089.14/289,733,455.29 = 117,127,061.14/x
  3. Step 3: Cross multiply
    209,952,089.14x = 289,733,455.29 × 117,127,061.14
  4. Step 4: Simplify right side
    209,952,089.14x = 33,935,628,132,055,288
  5. Step 5: Solve for x
    x = 33,935,628,132,055,288/209,952,089.14
  6. Step 6: Final answer
    x = 161,635,105.76

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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.