Home / 77,721,236,936.64-116,588,970,041.76-21,823,347,833.28

Finding the Fourth Proportional to 77,721,236,936.64, 116,588,970,041.76 and 21,823,347,833.28

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Solution

The fourth proportional to 77,721,236,936.64, 116,588,970,041.76 and 21,823,347,833.28 is: 32,737,019,468.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,721,236,936.64 : 116,588,970,041.76 = 21,823,347,833.28 : x
  2. Step 2: Convert to fraction form
    77,721,236,936.64/116,588,970,041.76 = 21,823,347,833.28/x
  3. Step 3: Cross multiply
    77,721,236,936.64x = 116,588,970,041.76 × 21,823,347,833.28
  4. Step 4: Simplify right side
    77,721,236,936.64x = 2,544,361,646,745,189,875,712
  5. Step 5: Solve for x
    x = 2,544,361,646,745,189,875,712/77,721,236,936.64
  6. Step 6: Final answer
    x = 32,737,019,468.94

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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.