Home / 158,005,798.08-218,048,321.43-88,392,341.52

Finding the Fourth Proportional to 158,005,798.08, 218,048,321.43 and 88,392,341.52

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Solution

The fourth proportional to 158,005,798.08, 218,048,321.43 and 88,392,341.52 is: 121,981,610.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,005,798.08 : 218,048,321.43 = 88,392,341.52 : x
  2. Step 2: Convert to fraction form
    158,005,798.08/218,048,321.43 = 88,392,341.52/x
  3. Step 3: Cross multiply
    158,005,798.08x = 218,048,321.43 × 88,392,341.52
  4. Step 4: Simplify right side
    158,005,798.08x = 19,273,801,695,703,296
  5. Step 5: Solve for x
    x = 19,273,801,695,703,296/158,005,798.08
  6. Step 6: Final answer
    x = 121,981,610.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.