Home / 53,712,145.80-80,568,218.70-46,405,816.20

Finding the Fourth Proportional to 53,712,145.80, 80,568,218.70 and 46,405,816.20

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Solution

The fourth proportional to 53,712,145.80, 80,568,218.70 and 46,405,816.20 is: 69,608,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,712,145.80 : 80,568,218.70 = 46,405,816.20 : x
  2. Step 2: Convert to fraction form
    53,712,145.80/80,568,218.70 = 46,405,816.20/x
  3. Step 3: Cross multiply
    53,712,145.80x = 80,568,218.70 × 46,405,816.20
  4. Step 4: Simplify right side
    53,712,145.80x = 3,738,833,948,553,603.50
  5. Step 5: Solve for x
    x = 3,738,833,948,553,603.50/53,712,145.80
  6. Step 6: Final answer
    x = 69,608,724.30

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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.