Home / 66,135,831.27-91,311,983.60-59,144,818.47

Finding the Fourth Proportional to 66,135,831.27, 91,311,983.60 and 59,144,818.47

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Solution

The fourth proportional to 66,135,831.27, 91,311,983.60 and 59,144,818.47 is: 81,659,678.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,135,831.27 : 91,311,983.60 = 59,144,818.47 : x
  2. Step 2: Convert to fraction form
    66,135,831.27/91,311,983.60 = 59,144,818.47/x
  3. Step 3: Cross multiply
    66,135,831.27x = 91,311,983.60 × 59,144,818.47
  4. Step 4: Simplify right side
    66,135,831.27x = 5,400,630,694,157,617
  5. Step 5: Solve for x
    x = 5,400,630,694,157,617/66,135,831.27
  6. Step 6: Final answer
    x = 81,659,678.13

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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.