Home / 149,768,626.58-206,676,740.05-83,689,667.83

Finding the Fourth Proportional to 149,768,626.58, 206,676,740.05 and 83,689,667.83

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Solution

The fourth proportional to 149,768,626.58, 206,676,740.05 and 83,689,667.83 is: 115,489,526.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,768,626.58 : 206,676,740.05 = 83,689,667.83 : x
  2. Step 2: Convert to fraction form
    149,768,626.58/206,676,740.05 = 83,689,667.83/x
  3. Step 3: Cross multiply
    149,768,626.58x = 206,676,740.05 × 83,689,667.83
  4. Step 4: Simplify right side
    149,768,626.58x = 17,296,707,723,400,718
  5. Step 5: Solve for x
    x = 17,296,707,723,400,718/149,768,626.58
  6. Step 6: Final answer
    x = 115,489,526.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.