Home / 250,284,392.72-375,427,288.88-77,786,429.84

Finding the Fourth Proportional to 250,284,392.72, 375,427,288.88 and 77,786,429.84

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Solution

The fourth proportional to 250,284,392.72, 375,427,288.88 and 77,786,429.84 is: 116,679,862.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,284,392.72 : 375,427,288.88 = 77,786,429.84 : x
  2. Step 2: Convert to fraction form
    250,284,392.72/375,427,288.88 = 77,786,429.84/x
  3. Step 3: Cross multiply
    250,284,392.72x = 375,427,288.88 × 77,786,429.84
  4. Step 4: Simplify right side
    250,284,392.72x = 29,203,148,466,485,532
  5. Step 5: Solve for x
    x = 29,203,148,466,485,532/250,284,392.72
  6. Step 6: Final answer
    x = 116,679,862.25

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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.