Home / 162,340,661.70-243,510,992.55-123,598,612.80

Finding the Fourth Proportional to 162,340,661.70, 243,510,992.55 and 123,598,612.80

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Solution

The fourth proportional to 162,340,661.70, 243,510,992.55 and 123,598,612.80 is: 185,397,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,340,661.70 : 243,510,992.55 = 123,598,612.80 : x
  2. Step 2: Convert to fraction form
    162,340,661.70/243,510,992.55 = 123,598,612.80/x
  3. Step 3: Cross multiply
    162,340,661.70x = 243,510,992.55 × 123,598,612.80
  4. Step 4: Simplify right side
    162,340,661.70x = 30,097,620,880,731,136
  5. Step 5: Solve for x
    x = 30,097,620,880,731,136/162,340,661.70
  6. Step 6: Final answer
    x = 185,397,919.20

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1.5x scale

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.