Home / 113,886,534.93-157,162,635.63-61,674,375.78

Finding the Fourth Proportional to 113,886,534.93, 157,162,635.63 and 61,674,375.78

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Solution

The fourth proportional to 113,886,534.93, 157,162,635.63 and 61,674,375.78 is: 85,110,214.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,886,534.93 : 157,162,635.63 = 61,674,375.78 : x
  2. Step 2: Convert to fraction form
    113,886,534.93/157,162,635.63 = 61,674,375.78/x
  3. Step 3: Cross multiply
    113,886,534.93x = 157,162,635.63 × 61,674,375.78
  4. Step 4: Simplify right side
    113,886,534.93x = 9,692,907,448,419,836
  5. Step 5: Solve for x
    x = 9,692,907,448,419,836/113,886,534.93
  6. Step 6: Final answer
    x = 85,110,214.78

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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.