Home / 208,768,058.60-313,152,087.90-189,956,359.40

Finding the Fourth Proportional to 208,768,058.60, 313,152,087.90 and 189,956,359.40

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Solution

The fourth proportional to 208,768,058.60, 313,152,087.90 and 189,956,359.40 is: 284,934,539.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,768,058.60 : 313,152,087.90 = 189,956,359.40 : x
  2. Step 2: Convert to fraction form
    208,768,058.60/313,152,087.90 = 189,956,359.40/x
  3. Step 3: Cross multiply
    208,768,058.60x = 313,152,087.90 × 189,956,359.40
  4. Step 4: Simplify right side
    208,768,058.60x = 59,485,230,555,992,792
  5. Step 5: Solve for x
    x = 59,485,230,555,992,792/208,768,058.60
  6. Step 6: Final answer
    x = 284,934,539.10

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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.