Home / 210,777,837.60-290,867,168.70-116,696,177.63

Finding the Fourth Proportional to 210,777,837.60, 290,867,168.70 and 116,696,177.63

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Solution

The fourth proportional to 210,777,837.60, 290,867,168.70 and 116,696,177.63 is: 161,037,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,777,837.60 : 290,867,168.70 = 116,696,177.63 : x
  2. Step 2: Convert to fraction form
    210,777,837.60/290,867,168.70 = 116,696,177.63/x
  3. Step 3: Cross multiply
    210,777,837.60x = 290,867,168.70 × 116,696,177.63
  4. Step 4: Simplify right side
    210,777,837.60x = 33,943,086,785,350,372
  5. Step 5: Solve for x
    x = 33,943,086,785,350,372/210,777,837.60
  6. Step 6: Final answer
    x = 161,037,266.40

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1.5x scale

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.