Home / 89,128,945.35-133,693,879.32-40,572,841.88

Finding the Fourth Proportional to 89,128,945.35, 133,693,879.32 and 40,572,841.88

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Solution

The fourth proportional to 89,128,945.35, 133,693,879.32 and 40,572,841.88 is: 60,859,472.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,128,945.35 : 133,693,879.32 = 40,572,841.88 : x
  2. Step 2: Convert to fraction form
    89,128,945.35/133,693,879.32 = 40,572,841.88/x
  3. Step 3: Cross multiply
    89,128,945.35x = 133,693,879.32 × 40,572,841.88
  4. Step 4: Simplify right side
    89,128,945.35x = 5,424,340,626,308,396
  5. Step 5: Solve for x
    x = 5,424,340,626,308,396/89,128,945.35
  6. Step 6: Final answer
    x = 60,859,472.81

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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.