Home / 381,302,335.20-571,953,502.80-108,637,672.80

Finding the Fourth Proportional to 381,302,335.20, 571,953,502.80 and 108,637,672.80

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Solution

The fourth proportional to 381,302,335.20, 571,953,502.80 and 108,637,672.80 is: 162,956,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,302,335.20 : 571,953,502.80 = 108,637,672.80 : x
  2. Step 2: Convert to fraction form
    381,302,335.20/571,953,502.80 = 108,637,672.80/x
  3. Step 3: Cross multiply
    381,302,335.20x = 571,953,502.80 × 108,637,672.80
  4. Step 4: Simplify right side
    381,302,335.20x = 62,135,697,494,000,280
  5. Step 5: Solve for x
    x = 62,135,697,494,000,280/381,302,335.20
  6. Step 6: Final answer
    x = 162,956,509.20

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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.