Home / 90,741,363.48-136,111,837.56-38,892,346.48

Finding the Fourth Proportional to 90,741,363.48, 136,111,837.56 and 38,892,346.48

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Solution

The fourth proportional to 90,741,363.48, 136,111,837.56 and 38,892,346.48 is: 58,338,430.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,741,363.48 : 136,111,837.56 = 38,892,346.48 : x
  2. Step 2: Convert to fraction form
    90,741,363.48/136,111,837.56 = 38,892,346.48/x
  3. Step 3: Cross multiply
    90,741,363.48x = 136,111,837.56 × 38,892,346.48
  4. Step 4: Simplify right side
    90,741,363.48x = 5,293,708,746,412,997
  5. Step 5: Solve for x
    x = 5,293,708,746,412,997/90,741,363.48
  6. Step 6: Final answer
    x = 58,338,430.72

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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.