Home / 72,893,765,226.24-109,329,600,138.24-19,838,932,695.36

Finding the Fourth Proportional to 72,893,765,226.24, 109,329,600,138.24 and 19,838,932,695.36

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Solution

The fourth proportional to 72,893,765,226.24, 109,329,600,138.24 and 19,838,932,695.36 is: 29,755,392,275.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,893,765,226.24 : 109,329,600,138.24 = 19,838,932,695.36 : x
  2. Step 2: Convert to fraction form
    72,893,765,226.24/109,329,600,138.24 = 19,838,932,695.36/x
  3. Step 3: Cross multiply
    72,893,765,226.24x = 109,329,600,138.24 × 19,838,932,695.36
  4. Step 4: Simplify right side
    72,893,765,226.24x = 2,168,982,578,753,164,804,096
  5. Step 5: Solve for x
    x = 2,168,982,578,753,164,804,096/72,893,765,226.24
  6. Step 6: Final answer
    x = 29,755,392,275.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.