Home / 170,169,678.12-255,318,847.79-66,612,893.50

Finding the Fourth Proportional to 170,169,678.12, 255,318,847.79 and 66,612,893.50

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Solution

The fourth proportional to 170,169,678.12, 255,318,847.79 and 66,612,893.50 is: 99,944,522.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,169,678.12 : 255,318,847.79 = 66,612,893.50 : x
  2. Step 2: Convert to fraction form
    170,169,678.12/255,318,847.79 = 66,612,893.50/x
  3. Step 3: Cross multiply
    170,169,678.12x = 255,318,847.79 × 66,612,893.50
  4. Step 4: Simplify right side
    170,169,678.12x = 17,007,527,216,737,762
  5. Step 5: Solve for x
    x = 17,007,527,216,737,762/170,169,678.12
  6. Step 6: Final answer
    x = 99,944,522.46

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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.