Home / 71,412,009.78-98,559,345.87-43,550,883.66

Finding the Fourth Proportional to 71,412,009.78, 98,559,345.87 and 43,550,883.66

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Solution

The fourth proportional to 71,412,009.78, 98,559,345.87 and 43,550,883.66 is: 60,106,789.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,412,009.78 : 98,559,345.87 = 43,550,883.66 : x
  2. Step 2: Convert to fraction form
    71,412,009.78/98,559,345.87 = 43,550,883.66/x
  3. Step 3: Cross multiply
    71,412,009.78x = 98,559,345.87 × 43,550,883.66
  4. Step 4: Simplify right side
    71,412,009.78x = 4,292,346,605,590,071.50
  5. Step 5: Solve for x
    x = 4,292,346,605,590,071.50/71,412,009.78
  6. Step 6: Final answer
    x = 60,106,789.02

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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.