Home / 113,570,405.70-170,355,608.55-72,755,736.90

Finding the Fourth Proportional to 113,570,405.70, 170,355,608.55 and 72,755,736.90

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Solution

The fourth proportional to 113,570,405.70, 170,355,608.55 and 72,755,736.90 is: 109,133,605.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,570,405.70 : 170,355,608.55 = 72,755,736.90 : x
  2. Step 2: Convert to fraction form
    113,570,405.70/170,355,608.55 = 72,755,736.90/x
  3. Step 3: Cross multiply
    113,570,405.70x = 170,355,608.55 × 72,755,736.90
  4. Step 4: Simplify right side
    113,570,405.70x = 12,394,347,835,103,192
  5. Step 5: Solve for x
    x = 12,394,347,835,103,192/113,570,405.70
  6. Step 6: Final answer
    x = 109,133,605.35

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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.