Home / 53,217,686.80-79,826,530.20-48,115,853.20

Finding the Fourth Proportional to 53,217,686.80, 79,826,530.20 and 48,115,853.20

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Solution

The fourth proportional to 53,217,686.80, 79,826,530.20 and 48,115,853.20 is: 72,173,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,217,686.80 : 79,826,530.20 = 48,115,853.20 : x
  2. Step 2: Convert to fraction form
    53,217,686.80/79,826,530.20 = 48,115,853.20/x
  3. Step 3: Cross multiply
    53,217,686.80x = 79,826,530.20 × 48,115,853.20
  4. Step 4: Simplify right side
    53,217,686.80x = 3,840,921,608,568,567
  5. Step 5: Solve for x
    x = 3,840,921,608,568,567/53,217,686.80
  6. Step 6: Final answer
    x = 72,173,779.80

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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.