Home / 82,987,516.76-124,568,930.10-46,626,979.64

Finding the Fourth Proportional to 82,987,516.76, 124,568,930.10 and 46,626,979.64

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Solution

The fourth proportional to 82,987,516.76, 124,568,930.10 and 46,626,979.64 is: 69,989,718.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,987,516.76 : 124,568,930.10 = 46,626,979.64 : x
  2. Step 2: Convert to fraction form
    82,987,516.76/124,568,930.10 = 46,626,979.64/x
  3. Step 3: Cross multiply
    82,987,516.76x = 124,568,930.10 × 46,626,979.64
  4. Step 4: Simplify right side
    82,987,516.76x = 5,808,272,967,549,283
  5. Step 5: Solve for x
    x = 5,808,272,967,549,283/82,987,516.76
  6. Step 6: Final answer
    x = 69,989,718.87

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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.