Home / 116,848,312.65-161,236,621.31-67,304,799.81

Finding the Fourth Proportional to 116,848,312.65, 161,236,621.31 and 67,304,799.81

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Solution

The fourth proportional to 116,848,312.65, 161,236,621.31 and 67,304,799.81 is: 92,872,530.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,848,312.65 : 161,236,621.31 = 67,304,799.81 : x
  2. Step 2: Convert to fraction form
    116,848,312.65/161,236,621.31 = 67,304,799.81/x
  3. Step 3: Cross multiply
    116,848,312.65x = 161,236,621.31 × 67,304,799.81
  4. Step 4: Simplify right side
    116,848,312.65x = 10,851,998,518,973,806
  5. Step 5: Solve for x
    x = 10,851,998,518,973,806/116,848,312.65
  6. Step 6: Final answer
    x = 92,872,530.83

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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.