Home / 408,237,087.90-612,353,878.62-113,131,360.17

Finding the Fourth Proportional to 408,237,087.90, 612,353,878.62 and 113,131,360.17

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Solution

The fourth proportional to 408,237,087.90, 612,353,878.62 and 113,131,360.17 is: 169,696,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,237,087.90 : 612,353,878.62 = 113,131,360.17 : x
  2. Step 2: Convert to fraction form
    408,237,087.90/612,353,878.62 = 113,131,360.17/x
  3. Step 3: Cross multiply
    408,237,087.90x = 612,353,878.62 × 113,131,360.17
  4. Step 4: Simplify right side
    408,237,087.90x = 69,276,427,193,655,688
  5. Step 5: Solve for x
    x = 69,276,427,193,655,688/408,237,087.90
  6. Step 6: Final answer
    x = 169,696,554.40

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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.