Home / 77,632,330.80-116,448,496.20-76,120,676.40

Finding the Fourth Proportional to 77,632,330.80, 116,448,496.20 and 76,120,676.40

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Solution

The fourth proportional to 77,632,330.80, 116,448,496.20 and 76,120,676.40 is: 114,181,014.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,632,330.80 : 116,448,496.20 = 76,120,676.40 : x
  2. Step 2: Convert to fraction form
    77,632,330.80/116,448,496.20 = 76,120,676.40/x
  3. Step 3: Cross multiply
    77,632,330.80x = 116,448,496.20 × 76,120,676.40
  4. Step 4: Simplify right side
    77,632,330.80x = 8,864,138,296,506,831
  5. Step 5: Solve for x
    x = 8,864,138,296,506,831/77,632,330.80
  6. Step 6: Final answer
    x = 114,181,014.60

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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.