Home / 199,706,392.20-299,559,588.30-165,068,977.80

Finding the Fourth Proportional to 199,706,392.20, 299,559,588.30 and 165,068,977.80

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Solution

The fourth proportional to 199,706,392.20, 299,559,588.30 and 165,068,977.80 is: 247,603,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,706,392.20 : 299,559,588.30 = 165,068,977.80 : x
  2. Step 2: Convert to fraction form
    199,706,392.20/299,559,588.30 = 165,068,977.80/x
  3. Step 3: Cross multiply
    199,706,392.20x = 299,559,588.30 × 165,068,977.80
  4. Step 4: Simplify right side
    199,706,392.20x = 49,447,995,030,869,848
  5. Step 5: Solve for x
    x = 49,447,995,030,869,848/199,706,392.20
  6. Step 6: Final answer
    x = 247,603,466.70

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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.