Home / 221,184,652.80-331,776,979.20-166,242,547.20

Finding the Fourth Proportional to 221,184,652.80, 331,776,979.20 and 166,242,547.20

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Solution

The fourth proportional to 221,184,652.80, 331,776,979.20 and 166,242,547.20 is: 249,363,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,184,652.80 : 331,776,979.20 = 166,242,547.20 : x
  2. Step 2: Convert to fraction form
    221,184,652.80/331,776,979.20 = 166,242,547.20/x
  3. Step 3: Cross multiply
    221,184,652.80x = 331,776,979.20 × 166,242,547.20
  4. Step 4: Simplify right side
    221,184,652.80x = 55,155,450,124,529,416
  5. Step 5: Solve for x
    x = 55,155,450,124,529,416/221,184,652.80
  6. Step 6: Final answer
    x = 249,363,820.80

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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.