Home / 86,976,330.20-130,376,021.70-51,056,048.60

Finding the Fourth Proportional to 86,976,330.20, 130,376,021.70 and 51,056,048.60

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Solution

The fourth proportional to 86,976,330.20, 130,376,021.70 and 51,056,048.60 is: 76,532,137.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,976,330.20 : 130,376,021.70 = 51,056,048.60 : x
  2. Step 2: Convert to fraction form
    86,976,330.20/130,376,021.70 = 51,056,048.60/x
  3. Step 3: Cross multiply
    86,976,330.20x = 130,376,021.70 × 51,056,048.60
  4. Step 4: Simplify right side
    86,976,330.20x = 6,656,484,500,189,855
  5. Step 5: Solve for x
    x = 6,656,484,500,189,855/86,976,330.20
  6. Step 6: Final answer
    x = 76,532,137.94

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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.