Home / 117,007,033.54-161,474,781.96-64,796,069.21

Finding the Fourth Proportional to 117,007,033.54, 161,474,781.96 and 64,796,069.21

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Solution

The fourth proportional to 117,007,033.54, 161,474,781.96 and 64,796,069.21 is: 89,421,386.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,007,033.54 : 161,474,781.96 = 64,796,069.21 : x
  2. Step 2: Convert to fraction form
    117,007,033.54/161,474,781.96 = 64,796,069.21/x
  3. Step 3: Cross multiply
    117,007,033.54x = 161,474,781.96 × 64,796,069.21
  4. Step 4: Simplify right side
    117,007,033.54x = 10,462,931,147,146,134
  5. Step 5: Solve for x
    x = 10,462,931,147,146,134/117,007,033.54
  6. Step 6: Final answer
    x = 89,421,386.31

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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.