Home / 49,185,979.20-73,778,968.80-48,514,132.80

Finding the Fourth Proportional to 49,185,979.20, 73,778,968.80 and 48,514,132.80

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Solution

The fourth proportional to 49,185,979.20, 73,778,968.80 and 48,514,132.80 is: 72,771,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,185,979.20 : 73,778,968.80 = 48,514,132.80 : x
  2. Step 2: Convert to fraction form
    49,185,979.20/73,778,968.80 = 48,514,132.80/x
  3. Step 3: Cross multiply
    49,185,979.20x = 73,778,968.80 × 48,514,132.80
  4. Step 4: Simplify right side
    49,185,979.20x = 3,579,322,690,210,256.50
  5. Step 5: Solve for x
    x = 3,579,322,690,210,256.50/49,185,979.20
  6. Step 6: Final answer
    x = 72,771,199.20

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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.