Home / 265,407,149.37-398,110,381.66-71,318,566.86

Finding the Fourth Proportional to 265,407,149.37, 398,110,381.66 and 71,318,566.86

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Solution

The fourth proportional to 265,407,149.37, 398,110,381.66 and 71,318,566.86 is: 106,977,758.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,407,149.37 : 398,110,381.66 = 71,318,566.86 : x
  2. Step 2: Convert to fraction form
    265,407,149.37/398,110,381.66 = 71,318,566.86/x
  3. Step 3: Cross multiply
    265,407,149.37x = 398,110,381.66 × 71,318,566.86
  4. Step 4: Simplify right side
    265,407,149.37x = 28,392,661,871,594,224
  5. Step 5: Solve for x
    x = 28,392,661,871,594,224/265,407,149.37
  6. Step 6: Final answer
    x = 106,977,758.28

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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.