Home / 104,209,319.52-143,714,772.72-65,054,705.76

Finding the Fourth Proportional to 104,209,319.52, 143,714,772.72 and 65,054,705.76

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Solution

The fourth proportional to 104,209,319.52, 143,714,772.72 and 65,054,705.76 is: 89,716,757.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,209,319.52 : 143,714,772.72 = 65,054,705.76 : x
  2. Step 2: Convert to fraction form
    104,209,319.52/143,714,772.72 = 65,054,705.76/x
  3. Step 3: Cross multiply
    104,209,319.52x = 143,714,772.72 × 65,054,705.76
  4. Step 4: Simplify right side
    104,209,319.52x = 9,349,322,252,664,874
  5. Step 5: Solve for x
    x = 9,349,322,252,664,874/104,209,319.52
  6. Step 6: Final answer
    x = 89,716,757.54

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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.