Home / 338,449,860.64-507,719,984.16-133,930,106.20

Finding the Fourth Proportional to 338,449,860.64, 507,719,984.16 and 133,930,106.20

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Solution

The fourth proportional to 338,449,860.64, 507,719,984.16 and 133,930,106.20 is: 200,913,042.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,449,860.64 : 507,719,984.16 = 133,930,106.20 : x
  2. Step 2: Convert to fraction form
    338,449,860.64/507,719,984.16 = 133,930,106.20/x
  3. Step 3: Cross multiply
    338,449,860.64x = 507,719,984.16 × 133,930,106.20
  4. Step 4: Simplify right side
    338,449,860.64x = 67,998,991,398,411,120
  5. Step 5: Solve for x
    x = 67,998,991,398,411,120/338,449,860.64
  6. Step 6: Final answer
    x = 200,913,042.98

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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.