Home / 131,601,564.36-181,615,835.16-72,864,230.76

Finding the Fourth Proportional to 131,601,564.36, 181,615,835.16 and 72,864,230.76

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Solution

The fourth proportional to 131,601,564.36, 181,615,835.16 and 72,864,230.76 is: 100,555,781.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,601,564.36 : 181,615,835.16 = 72,864,230.76 : x
  2. Step 2: Convert to fraction form
    131,601,564.36/181,615,835.16 = 72,864,230.76/x
  3. Step 3: Cross multiply
    131,601,564.36x = 181,615,835.16 × 72,864,230.76
  4. Step 4: Simplify right side
    131,601,564.36x = 13,233,298,122,768,362
  5. Step 5: Solve for x
    x = 13,233,298,122,768,362/131,601,564.36
  6. Step 6: Final answer
    x = 100,555,781.29

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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.