Home / 159,662,235.22-220,333,471.38-89,097,103.08

Finding the Fourth Proportional to 159,662,235.22, 220,333,471.38 and 89,097,103.08

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Solution

The fourth proportional to 159,662,235.22, 220,333,471.38 and 89,097,103.08 is: 122,953,771.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,662,235.22 : 220,333,471.38 = 89,097,103.08 : x
  2. Step 2: Convert to fraction form
    159,662,235.22/220,333,471.38 = 89,097,103.08/x
  3. Step 3: Cross multiply
    159,662,235.22x = 220,333,471.38 × 89,097,103.08
  4. Step 4: Simplify right side
    159,662,235.22x = 19,631,074,010,416,424
  5. Step 5: Solve for x
    x = 19,631,074,010,416,424/159,662,235.22
  6. Step 6: Final answer
    x = 122,953,771.65

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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.