Home / 71,496,326.45-98,662,025.27-40,555,831.43

Finding the Fourth Proportional to 71,496,326.45, 98,662,025.27 and 40,555,831.43

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Solution

The fourth proportional to 71,496,326.45, 98,662,025.27 and 40,555,831.43 is: 55,965,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,496,326.45 : 98,662,025.27 = 40,555,831.43 : x
  2. Step 2: Convert to fraction form
    71,496,326.45/98,662,025.27 = 40,555,831.43/x
  3. Step 3: Cross multiply
    71,496,326.45x = 98,662,025.27 × 40,555,831.43
  4. Step 4: Simplify right side
    71,496,326.45x = 4,001,320,465,740,564.50
  5. Step 5: Solve for x
    x = 4,001,320,465,740,564.50/71,496,326.45
  6. Step 6: Final answer
    x = 55,965,399.40

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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.