Home / 220,500,912-330,754,875.52-122,753,903.68

Finding the Fourth Proportional to 220,500,912, 330,754,875.52 and 122,753,903.68

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Solution

The fourth proportional to 220,500,912, 330,754,875.52 and 122,753,903.68 is: 184,132,808.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,500,912 : 330,754,875.52 = 122,753,903.68 : x
  2. Step 2: Convert to fraction form
    220,500,912/330,754,875.52 = 122,753,903.68/x
  3. Step 3: Cross multiply
    220,500,912x = 330,754,875.52 × 122,753,903.68
  4. Step 4: Simplify right side
    220,500,912x = 40,601,452,131,272,472
  5. Step 5: Solve for x
    x = 40,601,452,131,272,472/220,500,912
  6. Step 6: Final answer
    x = 184,132,808.17

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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.