Home / 155,244,479.76-214,233,628.50-85,628,365.92

Finding the Fourth Proportional to 155,244,479.76, 214,233,628.50 and 85,628,365.92

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Solution

The fourth proportional to 155,244,479.76, 214,233,628.50 and 85,628,365.92 is: 118,165,074.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,244,479.76 : 214,233,628.50 = 85,628,365.92 : x
  2. Step 2: Convert to fraction form
    155,244,479.76/214,233,628.50 = 85,628,365.92/x
  3. Step 3: Cross multiply
    155,244,479.76x = 214,233,628.50 × 85,628,365.92
  4. Step 4: Simplify right side
    155,244,479.76x = 18,344,475,533,567,340
  5. Step 5: Solve for x
    x = 18,344,475,533,567,340/155,244,479.76
  6. Step 6: Final answer
    x = 118,165,074.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.