Home / 82,890,218.69-114,386,497.92-45,719,700.69

Finding the Fourth Proportional to 82,890,218.69, 114,386,497.92 and 45,719,700.69

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Solution

The fourth proportional to 82,890,218.69, 114,386,497.92 and 45,719,700.69 is: 63,092,081.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,890,218.69 : 114,386,497.92 = 45,719,700.69 : x
  2. Step 2: Convert to fraction form
    82,890,218.69/114,386,497.92 = 45,719,700.69/x
  3. Step 3: Cross multiply
    82,890,218.69x = 114,386,497.92 × 45,719,700.69
  4. Step 4: Simplify right side
    82,890,218.69x = 5,229,716,447,879,707
  5. Step 5: Solve for x
    x = 5,229,716,447,879,707/82,890,218.69
  6. Step 6: Final answer
    x = 63,092,081.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.