Home / 53,160,023.20-79,740,034.80-52,656,138.40

Finding the Fourth Proportional to 53,160,023.20, 79,740,034.80 and 52,656,138.40

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Solution

The fourth proportional to 53,160,023.20, 79,740,034.80 and 52,656,138.40 is: 78,984,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,160,023.20 : 79,740,034.80 = 52,656,138.40 : x
  2. Step 2: Convert to fraction form
    53,160,023.20/79,740,034.80 = 52,656,138.40/x
  3. Step 3: Cross multiply
    53,160,023.20x = 79,740,034.80 × 52,656,138.40
  4. Step 4: Simplify right side
    53,160,023.20x = 4,198,802,308,449,616
  5. Step 5: Solve for x
    x = 4,198,802,308,449,616/53,160,023.20
  6. Step 6: Final answer
    x = 78,984,207.60

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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.