Home / 318,328,545.79-477,492,818.72-88,297,630.48

Finding the Fourth Proportional to 318,328,545.79, 477,492,818.72 and 88,297,630.48

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Solution

The fourth proportional to 318,328,545.79, 477,492,818.72 and 88,297,630.48 is: 132,446,445.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,328,545.79 : 477,492,818.72 = 88,297,630.48 : x
  2. Step 2: Convert to fraction form
    318,328,545.79/477,492,818.72 = 88,297,630.48/x
  3. Step 3: Cross multiply
    318,328,545.79x = 477,492,818.72 × 88,297,630.48
  4. Step 4: Simplify right side
    318,328,545.79x = 42,161,484,464,192,192
  5. Step 5: Solve for x
    x = 42,161,484,464,192,192/318,328,545.79
  6. Step 6: Final answer
    x = 132,446,445.73

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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.