Home / 66,403,186.50-91,636,401.21-35,879,794.50

Finding the Fourth Proportional to 66,403,186.50, 91,636,401.21 and 35,879,794.50

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Solution

The fourth proportional to 66,403,186.50, 91,636,401.21 and 35,879,794.50 is: 49,514,118.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,403,186.50 : 91,636,401.21 = 35,879,794.50 : x
  2. Step 2: Convert to fraction form
    66,403,186.50/91,636,401.21 = 35,879,794.50/x
  3. Step 3: Cross multiply
    66,403,186.50x = 91,636,401.21 × 35,879,794.50
  4. Step 4: Simplify right side
    66,403,186.50x = 3,287,895,244,134,351
  5. Step 5: Solve for x
    x = 3,287,895,244,134,351/66,403,186.50
  6. Step 6: Final answer
    x = 49,514,118.48

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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.