Home / 221,184,656.80-331,776,985.20-166,242,551.20

Finding the Fourth Proportional to 221,184,656.80, 331,776,985.20 and 166,242,551.20

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Solution

The fourth proportional to 221,184,656.80, 331,776,985.20 and 166,242,551.20 is: 249,363,826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,184,656.80 : 331,776,985.20 = 166,242,551.20 : x
  2. Step 2: Convert to fraction form
    221,184,656.80/331,776,985.20 = 166,242,551.20/x
  3. Step 3: Cross multiply
    221,184,656.80x = 331,776,985.20 × 166,242,551.20
  4. Step 4: Simplify right side
    221,184,656.80x = 55,155,452,449,092,640
  5. Step 5: Solve for x
    x = 55,155,452,449,092,640/221,184,656.80
  6. Step 6: Final answer
    x = 249,363,826.80

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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.