Home / 97,859,774.80-146,789,662.20-65,611,147.60

Finding the Fourth Proportional to 97,859,774.80, 146,789,662.20 and 65,611,147.60

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Solution

The fourth proportional to 97,859,774.80, 146,789,662.20 and 65,611,147.60 is: 98,416,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,859,774.80 : 146,789,662.20 = 65,611,147.60 : x
  2. Step 2: Convert to fraction form
    97,859,774.80/146,789,662.20 = 65,611,147.60/x
  3. Step 3: Cross multiply
    97,859,774.80x = 146,789,662.20 × 65,611,147.60
  4. Step 4: Simplify right side
    97,859,774.80x = 9,631,038,192,758,340
  5. Step 5: Solve for x
    x = 9,631,038,192,758,340/97,859,774.80
  6. Step 6: Final answer
    x = 98,416,721.40

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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.