Home / 210,777,853.60-290,867,190.78-116,696,193.64

Finding the Fourth Proportional to 210,777,853.60, 290,867,190.78 and 116,696,193.64

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Solution

The fourth proportional to 210,777,853.60, 290,867,190.78 and 116,696,193.64 is: 161,037,288.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,777,853.60 : 290,867,190.78 = 116,696,193.64 : x
  2. Step 2: Convert to fraction form
    210,777,853.60/290,867,190.78 = 116,696,193.64/x
  3. Step 3: Cross multiply
    210,777,853.60x = 290,867,190.78 × 116,696,193.64
  4. Step 4: Simplify right side
    210,777,853.60x = 33,943,094,018,785,700
  5. Step 5: Solve for x
    x = 33,943,094,018,785,700/210,777,853.60
  6. Step 6: Final answer
    x = 161,037,288.50

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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.