Home / 122,141,349-183,167,660.16-66,850,052.40

Finding the Fourth Proportional to 122,141,349, 183,167,660.16 and 66,850,052.40

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Solution

The fourth proportional to 122,141,349, 183,167,660.16 and 66,850,052.40 is: 100,250,797.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,141,349 : 183,167,660.16 = 66,850,052.40 : x
  2. Step 2: Convert to fraction form
    122,141,349/183,167,660.16 = 66,850,052.40/x
  3. Step 3: Cross multiply
    122,141,349x = 183,167,660.16 × 66,850,052.40
  4. Step 4: Simplify right side
    122,141,349x = 12,244,767,679,681,392
  5. Step 5: Solve for x
    x = 12,244,767,679,681,392/122,141,349
  6. Step 6: Final answer
    x = 100,250,797.78

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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.