Home / 149,562,883.30-206,431,216.30-87,703,150.90

Finding the Fourth Proportional to 149,562,883.30, 206,431,216.30 and 87,703,150.90

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Solution

The fourth proportional to 149,562,883.30, 206,431,216.30 and 87,703,150.90 is: 121,050,542.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,562,883.30 : 206,431,216.30 = 87,703,150.90 : x
  2. Step 2: Convert to fraction form
    149,562,883.30/206,431,216.30 = 87,703,150.90/x
  3. Step 3: Cross multiply
    149,562,883.30x = 206,431,216.30 × 87,703,150.90
  4. Step 4: Simplify right side
    149,562,883.30x = 18,104,668,113,629,440
  5. Step 5: Solve for x
    x = 18,104,668,113,629,440/149,562,883.30
  6. Step 6: Final answer
    x = 121,050,542.18

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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.