Home / 381,581,603.10-572,372,404.65-136,215,293.40

Finding the Fourth Proportional to 381,581,603.10, 572,372,404.65 and 136,215,293.40

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Solution

The fourth proportional to 381,581,603.10, 572,372,404.65 and 136,215,293.40 is: 204,322,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,581,603.10 : 572,372,404.65 = 136,215,293.40 : x
  2. Step 2: Convert to fraction form
    381,581,603.10/572,372,404.65 = 136,215,293.40/x
  3. Step 3: Cross multiply
    381,581,603.10x = 572,372,404.65 × 136,215,293.40
  4. Step 4: Simplify right side
    381,581,603.10x = 77,965,875,033,463,280
  5. Step 5: Solve for x
    x = 77,965,875,033,463,280/381,581,603.10
  6. Step 6: Final answer
    x = 204,322,940.10

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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.