Home / 338,118,255.68-507,241,098.69-128,091,851.20

Finding the Fourth Proportional to 338,118,255.68, 507,241,098.69 and 128,091,851.20

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Solution

The fourth proportional to 338,118,255.68, 507,241,098.69 and 128,091,851.20 is: 192,161,914.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,118,255.68 : 507,241,098.69 = 128,091,851.20 : x
  2. Step 2: Convert to fraction form
    338,118,255.68/507,241,098.69 = 128,091,851.20/x
  3. Step 3: Cross multiply
    338,118,255.68x = 507,241,098.69 × 128,091,851.20
  4. Step 4: Simplify right side
    338,118,255.68x = 64,973,451,337,503,048
  5. Step 5: Solve for x
    x = 64,973,451,337,503,048/338,118,255.68
  6. Step 6: Final answer
    x = 192,161,914.50

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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.