Home / 102,212,074.20-153,318,111.30-61,397,405.40

Finding the Fourth Proportional to 102,212,074.20, 153,318,111.30 and 61,397,405.40

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Solution

The fourth proportional to 102,212,074.20, 153,318,111.30 and 61,397,405.40 is: 92,096,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,212,074.20 : 153,318,111.30 = 61,397,405.40 : x
  2. Step 2: Convert to fraction form
    102,212,074.20/153,318,111.30 = 61,397,405.40/x
  3. Step 3: Cross multiply
    102,212,074.20x = 153,318,111.30 × 61,397,405.40
  4. Step 4: Simplify right side
    102,212,074.20x = 9,413,334,234,648,422
  5. Step 5: Solve for x
    x = 9,413,334,234,648,422/102,212,074.20
  6. Step 6: Final answer
    x = 92,096,108.10

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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.