Home / 380,081,243.95-570,123,764.26-134,438,105.16

Finding the Fourth Proportional to 380,081,243.95, 570,123,764.26 and 134,438,105.16

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Solution

The fourth proportional to 380,081,243.95, 570,123,764.26 and 134,438,105.16 is: 201,657,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,081,243.95 : 570,123,764.26 = 134,438,105.16 : x
  2. Step 2: Convert to fraction form
    380,081,243.95/570,123,764.26 = 134,438,105.16/x
  3. Step 3: Cross multiply
    380,081,243.95x = 570,123,764.26 × 134,438,105.16
  4. Step 4: Simplify right side
    380,081,243.95x = 76,646,358,573,464,832
  5. Step 5: Solve for x
    x = 76,646,358,573,464,832/380,081,243.95
  6. Step 6: Final answer
    x = 201,657,829.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.