Home / 251,145,438.90-375,981,487.74-176,102,458.72

Finding the Fourth Proportional to 251,145,438.90, 375,981,487.74 and 176,102,458.72

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Solution

The fourth proportional to 251,145,438.90, 375,981,487.74 and 176,102,458.72 is: 263,637,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,145,438.90 : 375,981,487.74 = 176,102,458.72 : x
  2. Step 2: Convert to fraction form
    251,145,438.90/375,981,487.74 = 176,102,458.72/x
  3. Step 3: Cross multiply
    251,145,438.90x = 375,981,487.74 × 176,102,458.72
  4. Step 4: Simplify right side
    251,145,438.90x = 66,211,264,424,217,536
  5. Step 5: Solve for x
    x = 66,211,264,424,217,536/251,145,438.90
  6. Step 6: Final answer
    x = 263,637,136.77

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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.