Home / 86,501,108.80-129,751,663.20-35,366,132.80

Finding the Fourth Proportional to 86,501,108.80, 129,751,663.20 and 35,366,132.80

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Solution

The fourth proportional to 86,501,108.80, 129,751,663.20 and 35,366,132.80 is: 53,049,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,501,108.80 : 129,751,663.20 = 35,366,132.80 : x
  2. Step 2: Convert to fraction form
    86,501,108.80/129,751,663.20 = 35,366,132.80/x
  3. Step 3: Cross multiply
    86,501,108.80x = 129,751,663.20 × 35,366,132.80
  4. Step 4: Simplify right side
    86,501,108.80x = 4,588,814,551,752,073
  5. Step 5: Solve for x
    x = 4,588,814,551,752,073/86,501,108.80
  6. Step 6: Final answer
    x = 53,049,199.20

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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.