Home / 58,656,345.92-87,990,511.36-20,317,788.80

Finding the Fourth Proportional to 58,656,345.92, 87,990,511.36 and 20,317,788.80

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Solution

The fourth proportional to 58,656,345.92, 87,990,511.36 and 20,317,788.80 is: 30,478,758.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,656,345.92 : 87,990,511.36 = 20,317,788.80 : x
  2. Step 2: Convert to fraction form
    58,656,345.92/87,990,511.36 = 20,317,788.80/x
  3. Step 3: Cross multiply
    58,656,345.92x = 87,990,511.36 × 20,317,788.80
  4. Step 4: Simplify right side
    58,656,345.92x = 1,787,772,626,216,480.75
  5. Step 5: Solve for x
    x = 1,787,772,626,216,480.75/58,656,345.92
  6. Step 6: Final answer
    x = 30,478,758.92

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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.