Home / 207,377,775.60-311,066,663.40-130,451,362.80

Finding the Fourth Proportional to 207,377,775.60, 311,066,663.40 and 130,451,362.80

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Solution

The fourth proportional to 207,377,775.60, 311,066,663.40 and 130,451,362.80 is: 195,677,044.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,377,775.60 : 311,066,663.40 = 130,451,362.80 : x
  2. Step 2: Convert to fraction form
    207,377,775.60/311,066,663.40 = 130,451,362.80/x
  3. Step 3: Cross multiply
    207,377,775.60x = 311,066,663.40 × 130,451,362.80
  4. Step 4: Simplify right side
    207,377,775.60x = 40,579,070,162,178,880
  5. Step 5: Solve for x
    x = 40,579,070,162,178,880/207,377,775.60
  6. Step 6: Final answer
    x = 195,677,044.20

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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.