Home / 55,294,831.40-82,942,247.10-28,085,052.20

Finding the Fourth Proportional to 55,294,831.40, 82,942,247.10 and 28,085,052.20

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Solution

The fourth proportional to 55,294,831.40, 82,942,247.10 and 28,085,052.20 is: 42,127,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,294,831.40 : 82,942,247.10 = 28,085,052.20 : x
  2. Step 2: Convert to fraction form
    55,294,831.40/82,942,247.10 = 28,085,052.20/x
  3. Step 3: Cross multiply
    55,294,831.40x = 82,942,247.10 × 28,085,052.20
  4. Step 4: Simplify right side
    55,294,831.40x = 2,329,437,339,388,798.50
  5. Step 5: Solve for x
    x = 2,329,437,339,388,798.50/55,294,831.40
  6. Step 6: Final answer
    x = 42,127,578.30

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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.