Home / 117,048,905.70-161,527,433.69-70,005,978.36

Finding the Fourth Proportional to 117,048,905.70, 161,527,433.69 and 70,005,978.36

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Solution

The fourth proportional to 117,048,905.70, 161,527,433.69 and 70,005,978.36 is: 96,608,216.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,048,905.70 : 161,527,433.69 = 70,005,978.36 : x
  2. Step 2: Convert to fraction form
    117,048,905.70/161,527,433.69 = 70,005,978.36/x
  3. Step 3: Cross multiply
    117,048,905.70x = 161,527,433.69 × 70,005,978.36
  4. Step 4: Simplify right side
    117,048,905.70x = 11,307,886,027,098,446
  5. Step 5: Solve for x
    x = 11,307,886,027,098,446/117,048,905.70
  6. Step 6: Final answer
    x = 96,608,216.54

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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.