Home / 53,413,793.70-80,120,690.55-48,471,392.40

Finding the Fourth Proportional to 53,413,793.70, 80,120,690.55 and 48,471,392.40

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Solution

The fourth proportional to 53,413,793.70, 80,120,690.55 and 48,471,392.40 is: 72,707,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,413,793.70 : 80,120,690.55 = 48,471,392.40 : x
  2. Step 2: Convert to fraction form
    53,413,793.70/80,120,690.55 = 48,471,392.40/x
  3. Step 3: Cross multiply
    53,413,793.70x = 80,120,690.55 × 48,471,392.40
  4. Step 4: Simplify right side
    53,413,793.70x = 3,883,561,431,008,021.50
  5. Step 5: Solve for x
    x = 3,883,561,431,008,021.50/53,413,793.70
  6. Step 6: Final answer
    x = 72,707,088.60

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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.