Home / 207,369,433.60-311,054,150.40-158,996,492.80

Finding the Fourth Proportional to 207,369,433.60, 311,054,150.40 and 158,996,492.80

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Solution

The fourth proportional to 207,369,433.60, 311,054,150.40 and 158,996,492.80 is: 238,494,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,369,433.60 : 311,054,150.40 = 158,996,492.80 : x
  2. Step 2: Convert to fraction form
    207,369,433.60/311,054,150.40 = 158,996,492.80/x
  3. Step 3: Cross multiply
    207,369,433.60x = 311,054,150.40 × 158,996,492.80
  4. Step 4: Simplify right side
    207,369,433.60x = 49,456,518,984,483,720
  5. Step 5: Solve for x
    x = 49,456,518,984,483,720/207,369,433.60
  6. Step 6: Final answer
    x = 238,494,739.20

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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.