Home / 364,468,758.43-546,727,380.03-128,089,691.54

Finding the Fourth Proportional to 364,468,758.43, 546,727,380.03 and 128,089,691.54

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Solution

The fourth proportional to 364,468,758.43, 546,727,380.03 and 128,089,691.54 is: 192,143,057.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,468,758.43 : 546,727,380.03 = 128,089,691.54 : x
  2. Step 2: Convert to fraction form
    364,468,758.43/546,727,380.03 = 128,089,691.54/x
  3. Step 3: Cross multiply
    364,468,758.43x = 546,727,380.03 × 128,089,691.54
  4. Step 4: Simplify right side
    364,468,758.43x = 70,030,141,465,881,872
  5. Step 5: Solve for x
    x = 70,030,141,465,881,872/364,468,758.43
  6. Step 6: Final answer
    x = 192,143,057.11

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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.