Home / 381,677,645.10-572,516,467.65-136,311,335.40

Finding the Fourth Proportional to 381,677,645.10, 572,516,467.65 and 136,311,335.40

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Solution

The fourth proportional to 381,677,645.10, 572,516,467.65 and 136,311,335.40 is: 204,467,003.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,677,645.10 : 572,516,467.65 = 136,311,335.40 : x
  2. Step 2: Convert to fraction form
    381,677,645.10/572,516,467.65 = 136,311,335.40/x
  3. Step 3: Cross multiply
    381,677,645.10x = 572,516,467.65 × 136,311,335.40
  4. Step 4: Simplify right side
    381,677,645.10x = 78,040,484,243,862,400
  5. Step 5: Solve for x
    x = 78,040,484,243,862,400/381,677,645.10
  6. Step 6: Final answer
    x = 204,467,003.10

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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.