Home / 65,940,048.76-90,995,911.70-36,566,641.28

Finding the Fourth Proportional to 65,940,048.76, 90,995,911.70 and 36,566,641.28

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Solution

The fourth proportional to 65,940,048.76, 90,995,911.70 and 36,566,641.28 is: 50,461,213.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,940,048.76 : 90,995,911.70 = 36,566,641.28 : x
  2. Step 2: Convert to fraction form
    65,940,048.76/90,995,911.70 = 36,566,641.28/x
  3. Step 3: Cross multiply
    65,940,048.76x = 90,995,911.70 × 36,566,641.28
  4. Step 4: Simplify right side
    65,940,048.76x = 3,327,414,861,080,455
  5. Step 5: Solve for x
    x = 3,327,414,861,080,455/65,940,048.76
  6. Step 6: Final answer
    x = 50,461,213.23

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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.