Home / 40,190,419.20-60,285,628.80-38,342,841.60

Finding the Fourth Proportional to 40,190,419.20, 60,285,628.80 and 38,342,841.60

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Solution

The fourth proportional to 40,190,419.20, 60,285,628.80 and 38,342,841.60 is: 57,514,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,190,419.20 : 60,285,628.80 = 38,342,841.60 : x
  2. Step 2: Convert to fraction form
    40,190,419.20/60,285,628.80 = 38,342,841.60/x
  3. Step 3: Cross multiply
    40,190,419.20x = 60,285,628.80 × 38,342,841.60
  4. Step 4: Simplify right side
    40,190,419.20x = 2,311,522,315,834,798
  5. Step 5: Solve for x
    x = 2,311,522,315,834,798/40,190,419.20
  6. Step 6: Final answer
    x = 57,514,262.40

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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.