Home / 221,273,142.60-331,810,181.10-84,913,206.60

Finding the Fourth Proportional to 221,273,142.60, 331,810,181.10 and 84,913,206.60

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Solution

The fourth proportional to 221,273,142.60, 331,810,181.10 and 84,913,206.60 is: 127,331,614.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,273,142.60 : 331,810,181.10 = 84,913,206.60 : x
  2. Step 2: Convert to fraction form
    221,273,142.60/331,810,181.10 = 84,913,206.60/x
  3. Step 3: Cross multiply
    221,273,142.60x = 331,810,181.10 × 84,913,206.60
  4. Step 4: Simplify right side
    221,273,142.60x = 28,175,066,459,727,716
  5. Step 5: Solve for x
    x = 28,175,066,459,727,716/221,273,142.60
  6. Step 6: Final answer
    x = 127,331,614.35

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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.