Home / 99,811,940.85-137,544,270.30-76,317,098.27

Finding the Fourth Proportional to 99,811,940.85, 137,544,270.30 and 76,317,098.27

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Solution

The fourth proportional to 99,811,940.85, 137,544,270.30 and 76,317,098.27 is: 105,167,573.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,811,940.85 : 137,544,270.30 = 76,317,098.27 : x
  2. Step 2: Convert to fraction form
    99,811,940.85/137,544,270.30 = 76,317,098.27/x
  3. Step 3: Cross multiply
    99,811,940.85x = 137,544,270.30 × 76,317,098.27
  4. Step 4: Simplify right side
    99,811,940.85x = 10,496,979,592,272,822
  5. Step 5: Solve for x
    x = 10,496,979,592,272,822/99,811,940.85
  6. Step 6: Final answer
    x = 105,167,573.17

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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.