Home / 158,707,698.24-219,023,880.96-88,143,584.64

Finding the Fourth Proportional to 158,707,698.24, 219,023,880.96 and 88,143,584.64

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Solution

The fourth proportional to 158,707,698.24, 219,023,880.96 and 88,143,584.64 is: 121,642,177.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,707,698.24 : 219,023,880.96 = 88,143,584.64 : x
  2. Step 2: Convert to fraction form
    158,707,698.24/219,023,880.96 = 88,143,584.64/x
  3. Step 3: Cross multiply
    158,707,698.24x = 219,023,880.96 × 88,143,584.64
  4. Step 4: Simplify right side
    158,707,698.24x = 19,305,549,989,579,044
  5. Step 5: Solve for x
    x = 19,305,549,989,579,044/158,707,698.24
  6. Step 6: Final answer
    x = 121,642,177.43

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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.