Home / 151,714,891.81-209,366,550.93-82,100,272.67

Finding the Fourth Proportional to 151,714,891.81, 209,366,550.93 and 82,100,272.67

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Solution

The fourth proportional to 151,714,891.81, 209,366,550.93 and 82,100,272.67 is: 113,298,376.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,714,891.81 : 209,366,550.93 = 82,100,272.67 : x
  2. Step 2: Convert to fraction form
    151,714,891.81/209,366,550.93 = 82,100,272.67/x
  3. Step 3: Cross multiply
    151,714,891.81x = 209,366,550.93 × 82,100,272.67
  4. Step 4: Simplify right side
    151,714,891.81x = 17,189,050,919,330,444
  5. Step 5: Solve for x
    x = 17,189,050,919,330,444/151,714,891.81
  6. Step 6: Final answer
    x = 113,298,376.41

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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.