Home / 162,410,542,301.91-243,516,521,802.82-77,446,323,410.61

Finding the Fourth Proportional to 162,410,542,301.91, 243,516,521,802.82 and 77,446,323,410.61

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Solution

The fourth proportional to 162,410,542,301.91, 243,516,521,802.82 and 77,446,323,410.61 is: 116,122,137,369.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,410,542,301.91 : 243,516,521,802.82 = 77,446,323,410.61 : x
  2. Step 2: Convert to fraction form
    162,410,542,301.91/243,516,521,802.82 = 77,446,323,410.61/x
  3. Step 3: Cross multiply
    162,410,542,301.91x = 243,516,521,802.82 × 77,446,323,410.61
  4. Step 4: Simplify right side
    162,410,542,301.91x = 18,859,459,303,368,059,518,976
  5. Step 5: Solve for x
    x = 18,859,459,303,368,059,518,976/162,410,542,301.91
  6. Step 6: Final answer
    x = 116,122,137,369.07

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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.