Home / 113,886,533.43-157,162,633.56-61,674,374.28

Finding the Fourth Proportional to 113,886,533.43, 157,162,633.56 and 61,674,374.28

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Solution

The fourth proportional to 113,886,533.43, 157,162,633.56 and 61,674,374.28 is: 85,110,212.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,886,533.43 : 157,162,633.56 = 61,674,374.28 : x
  2. Step 2: Convert to fraction form
    113,886,533.43/157,162,633.56 = 61,674,374.28/x
  3. Step 3: Cross multiply
    113,886,533.43x = 157,162,633.56 × 61,674,374.28
  4. Step 4: Simplify right side
    113,886,533.43x = 9,692,907,085,009,930
  5. Step 5: Solve for x
    x = 9,692,907,085,009,930/113,886,533.43
  6. Step 6: Final answer
    x = 85,110,212.71

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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.