Home / 113,942,971.20-157,241,087.44-61,733,304.48

Finding the Fourth Proportional to 113,942,971.20, 157,241,087.44 and 61,733,304.48

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Solution

The fourth proportional to 113,942,971.20, 157,241,087.44 and 61,733,304.48 is: 85,191,844.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,942,971.20 : 157,241,087.44 = 61,733,304.48 : x
  2. Step 2: Convert to fraction form
    113,942,971.20/157,241,087.44 = 61,733,304.48/x
  3. Step 3: Cross multiply
    113,942,971.20x = 157,241,087.44 × 61,733,304.48
  4. Step 4: Simplify right side
    113,942,971.20x = 9,707,011,927,699,824
  5. Step 5: Solve for x
    x = 9,707,011,927,699,824/113,942,971.20
  6. Step 6: Final answer
    x = 85,191,844.88

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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.