Home / 149,562,883.31-206,431,216.36-87,703,150.91

Finding the Fourth Proportional to 149,562,883.31, 206,431,216.36 and 87,703,150.91

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Solution

The fourth proportional to 149,562,883.31, 206,431,216.36 and 87,703,150.91 is: 121,050,542.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,562,883.31 : 206,431,216.36 = 87,703,150.91 : x
  2. Step 2: Convert to fraction form
    149,562,883.31/206,431,216.36 = 87,703,150.91/x
  3. Step 3: Cross multiply
    149,562,883.31x = 206,431,216.36 × 87,703,150.91
  4. Step 4: Simplify right side
    149,562,883.31x = 18,104,668,120,955,940
  5. Step 5: Solve for x
    x = 18,104,668,120,955,940/149,562,883.31
  6. Step 6: Final answer
    x = 121,050,542.22

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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.