Home / 69,828,359.88-96,366,126.06-38,888,529.12

Finding the Fourth Proportional to 69,828,359.88, 96,366,126.06 and 38,888,529.12

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Solution

The fourth proportional to 69,828,359.88, 96,366,126.06 and 38,888,529.12 is: 53,667,835.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,828,359.88 : 96,366,126.06 = 38,888,529.12 : x
  2. Step 2: Convert to fraction form
    69,828,359.88/96,366,126.06 = 38,888,529.12/x
  3. Step 3: Cross multiply
    69,828,359.88x = 96,366,126.06 × 38,888,529.12
  4. Step 4: Simplify right side
    69,828,359.88x = 3,747,536,899,465,900.50
  5. Step 5: Solve for x
    x = 3,747,536,899,465,900.50/69,828,359.88
  6. Step 6: Final answer
    x = 53,667,835.04

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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.