Home / 329,143,661.12-493,784,538.72-124,667,209.28

Finding the Fourth Proportional to 329,143,661.12, 493,784,538.72 and 124,667,209.28

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Solution

The fourth proportional to 329,143,661.12, 493,784,538.72 and 124,667,209.28 is: 187,026,966.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,143,661.12 : 493,784,538.72 = 124,667,209.28 : x
  2. Step 2: Convert to fraction form
    329,143,661.12/493,784,538.72 = 124,667,209.28/x
  3. Step 3: Cross multiply
    329,143,661.12x = 493,784,538.72 × 124,667,209.28
  4. Step 4: Simplify right side
    329,143,661.12x = 61,558,740,427,834,504
  5. Step 5: Solve for x
    x = 61,558,740,427,834,504/329,143,661.12
  6. Step 6: Final answer
    x = 187,026,966.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.