Home / 221,464,428.10-332,097,109.35-85,104,492.10

Finding the Fourth Proportional to 221,464,428.10, 332,097,109.35 and 85,104,492.10

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Solution

The fourth proportional to 221,464,428.10, 332,097,109.35 and 85,104,492.10 is: 127,618,489.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,464,428.10 : 332,097,109.35 = 85,104,492.10 : x
  2. Step 2: Convert to fraction form
    221,464,428.10/332,097,109.35 = 85,104,492.10/x
  3. Step 3: Cross multiply
    221,464,428.10x = 332,097,109.35 × 85,104,492.10
  4. Step 4: Simplify right side
    221,464,428.10x = 28,262,955,819,109,912
  5. Step 5: Solve for x
    x = 28,262,955,819,109,912/221,464,428.10
  6. Step 6: Final answer
    x = 127,618,489.62

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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.