Home / 117,007,031.04-161,474,778.51-64,796,066.70

Finding the Fourth Proportional to 117,007,031.04, 161,474,778.51 and 64,796,066.70

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Solution

The fourth proportional to 117,007,031.04, 161,474,778.51 and 64,796,066.70 is: 89,421,382.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,007,031.04 : 161,474,778.51 = 64,796,066.70 : x
  2. Step 2: Convert to fraction form
    117,007,031.04/161,474,778.51 = 64,796,066.70/x
  3. Step 3: Cross multiply
    117,007,031.04x = 161,474,778.51 × 64,796,066.70
  4. Step 4: Simplify right side
    117,007,031.04x = 10,462,930,519,169,768
  5. Step 5: Solve for x
    x = 10,462,930,519,169,768/117,007,031.04
  6. Step 6: Final answer
    x = 89,421,382.85

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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.