Home / 102,212,069.70-153,318,104.55-61,397,400.90

Finding the Fourth Proportional to 102,212,069.70, 153,318,104.55 and 61,397,400.90

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Solution

The fourth proportional to 102,212,069.70, 153,318,104.55 and 61,397,400.90 is: 92,096,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,212,069.70 : 153,318,104.55 = 61,397,400.90 : x
  2. Step 2: Convert to fraction form
    102,212,069.70/153,318,104.55 = 61,397,400.90/x
  3. Step 3: Cross multiply
    102,212,069.70x = 153,318,104.55 × 61,397,400.90
  4. Step 4: Simplify right side
    102,212,069.70x = 9,413,333,130,284,464
  5. Step 5: Solve for x
    x = 9,413,333,130,284,464/102,212,069.70
  6. Step 6: Final answer
    x = 92,096,101.35

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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.