Home / 165,048,719.20-247,573,078.80-74,349,455.20

Finding the Fourth Proportional to 165,048,719.20, 247,573,078.80 and 74,349,455.20

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Solution

The fourth proportional to 165,048,719.20, 247,573,078.80 and 74,349,455.20 is: 111,524,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,048,719.20 : 247,573,078.80 = 74,349,455.20 : x
  2. Step 2: Convert to fraction form
    165,048,719.20/247,573,078.80 = 74,349,455.20/x
  3. Step 3: Cross multiply
    165,048,719.20x = 247,573,078.80 × 74,349,455.20
  4. Step 4: Simplify right side
    165,048,719.20x = 18,406,923,530,966,672
  5. Step 5: Solve for x
    x = 18,406,923,530,966,672/165,048,719.20
  6. Step 6: Final answer
    x = 111,524,182.80

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1.5x scale

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.