Home / 82,310,036.92-123,512,885.08-36,871,831.42

Finding the Fourth Proportional to 82,310,036.92, 123,512,885.08 and 36,871,831.42

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Solution

The fourth proportional to 82,310,036.92, 123,512,885.08 and 36,871,831.42 is: 55,329,173.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,310,036.92 : 123,512,885.08 = 36,871,831.42 : x
  2. Step 2: Convert to fraction form
    82,310,036.92/123,512,885.08 = 36,871,831.42/x
  3. Step 3: Cross multiply
    82,310,036.92x = 123,512,885.08 × 36,871,831.42
  4. Step 4: Simplify right side
    82,310,036.92x = 4,554,146,276,466,631
  5. Step 5: Solve for x
    x = 4,554,146,276,466,631/82,310,036.92
  6. Step 6: Final answer
    x = 55,329,173.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.