Home / 190,378,046.61-285,592,491.09-75,335,684.74

Finding the Fourth Proportional to 190,378,046.61, 285,592,491.09 and 75,335,684.74

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Solution

The fourth proportional to 190,378,046.61, 285,592,491.09 and 75,335,684.74 is: 113,013,586.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,378,046.61 : 285,592,491.09 = 75,335,684.74 : x
  2. Step 2: Convert to fraction form
    190,378,046.61/285,592,491.09 = 75,335,684.74/x
  3. Step 3: Cross multiply
    190,378,046.61x = 285,592,491.09 × 75,335,684.74
  4. Step 4: Simplify right side
    190,378,046.61x = 21,515,305,872,153,516
  5. Step 5: Solve for x
    x = 21,515,305,872,153,516/190,378,046.61
  6. Step 6: Final answer
    x = 113,013,586.68

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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.