Home / 221,009,028.77-331,456,995.53-65,526,479.46

Finding the Fourth Proportional to 221,009,028.77, 331,456,995.53 and 65,526,479.46

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Solution

The fourth proportional to 221,009,028.77, 331,456,995.53 and 65,526,479.46 is: 98,272,953.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,009,028.77 : 331,456,995.53 = 65,526,479.46 : x
  2. Step 2: Convert to fraction form
    221,009,028.77/331,456,995.53 = 65,526,479.46/x
  3. Step 3: Cross multiply
    221,009,028.77x = 331,456,995.53 × 65,526,479.46
  4. Step 4: Simplify right side
    221,009,028.77x = 21,719,210,009,142,224
  5. Step 5: Solve for x
    x = 21,719,210,009,142,224/221,009,028.77
  6. Step 6: Final answer
    x = 98,272,953.51

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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.