Home / 380,081,322.12-570,123,881.28-134,438,183.40

Finding the Fourth Proportional to 380,081,322.12, 570,123,881.28 and 134,438,183.40

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Solution

The fourth proportional to 380,081,322.12, 570,123,881.28 and 134,438,183.40 is: 201,657,946.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,081,322.12 : 570,123,881.28 = 134,438,183.40 : x
  2. Step 2: Convert to fraction form
    380,081,322.12/570,123,881.28 = 134,438,183.40/x
  3. Step 3: Cross multiply
    380,081,322.12x = 570,123,881.28 × 134,438,183.40
  4. Step 4: Simplify right side
    380,081,322.12x = 76,646,418,912,240,464
  5. Step 5: Solve for x
    x = 76,646,418,912,240,464/380,081,322.12
  6. Step 6: Final answer
    x = 201,657,946.48

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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.