Home / 159,673,935.48-220,340,979.18-90,055,161.24

Finding the Fourth Proportional to 159,673,935.48, 220,340,979.18 and 90,055,161.24

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Solution

The fourth proportional to 159,673,935.48, 220,340,979.18 and 90,055,161.24 is: 124,271,017.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,673,935.48 : 220,340,979.18 = 90,055,161.24 : x
  2. Step 2: Convert to fraction form
    159,673,935.48/220,340,979.18 = 90,055,161.24/x
  3. Step 3: Cross multiply
    159,673,935.48x = 220,340,979.18 × 90,055,161.24
  4. Step 4: Simplify right side
    159,673,935.48x = 19,842,842,407,834,384
  5. Step 5: Solve for x
    x = 19,842,842,407,834,384/159,673,935.48
  6. Step 6: Final answer
    x = 124,271,017.36

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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.