Home / 127,336,799.80-191,005,199.70-45,494,885.80

Finding the Fourth Proportional to 127,336,799.80, 191,005,199.70 and 45,494,885.80

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Solution

The fourth proportional to 127,336,799.80, 191,005,199.70 and 45,494,885.80 is: 68,242,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,336,799.80 : 191,005,199.70 = 45,494,885.80 : x
  2. Step 2: Convert to fraction form
    127,336,799.80/191,005,199.70 = 45,494,885.80/x
  3. Step 3: Cross multiply
    127,336,799.80x = 191,005,199.70 × 45,494,885.80
  4. Step 4: Simplify right side
    127,336,799.80x = 8,689,759,747,557,693
  5. Step 5: Solve for x
    x = 8,689,759,747,557,693/127,336,799.80
  6. Step 6: Final answer
    x = 68,242,328.70

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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.