Home / 139,270,872.49-192,195,545.63-76,553,817.86

Finding the Fourth Proportional to 139,270,872.49, 192,195,545.63 and 76,553,817.86

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Solution

The fourth proportional to 139,270,872.49, 192,195,545.63 and 76,553,817.86 is: 105,645,225.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,270,872.49 : 192,195,545.63 = 76,553,817.86 : x
  2. Step 2: Convert to fraction form
    139,270,872.49/192,195,545.63 = 76,553,817.86/x
  3. Step 3: Cross multiply
    139,270,872.49x = 192,195,545.63 × 76,553,817.86
  4. Step 4: Simplify right side
    139,270,872.49x = 14,713,302,793,760,058
  5. Step 5: Solve for x
    x = 14,713,302,793,760,058/139,270,872.49
  6. Step 6: Final answer
    x = 105,645,225.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.