Home / 77,440,180.80-116,160,271.20-66,823,348.80

Finding the Fourth Proportional to 77,440,180.80, 116,160,271.20 and 66,823,348.80

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Solution

The fourth proportional to 77,440,180.80, 116,160,271.20 and 66,823,348.80 is: 100,235,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,440,180.80 : 116,160,271.20 = 66,823,348.80 : x
  2. Step 2: Convert to fraction form
    77,440,180.80/116,160,271.20 = 66,823,348.80/x
  3. Step 3: Cross multiply
    77,440,180.80x = 116,160,271.20 × 66,823,348.80
  4. Step 4: Simplify right side
    77,440,180.80x = 7,762,218,319,100,194
  5. Step 5: Solve for x
    x = 7,762,218,319,100,194/77,440,180.80
  6. Step 6: Final answer
    x = 100,235,023.20

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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.