Home / 186,700,910.70-280,051,366.05-118,844,424.30

Finding the Fourth Proportional to 186,700,910.70, 280,051,366.05 and 118,844,424.30

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Solution

The fourth proportional to 186,700,910.70, 280,051,366.05 and 118,844,424.30 is: 178,266,636.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,700,910.70 : 280,051,366.05 = 118,844,424.30 : x
  2. Step 2: Convert to fraction form
    186,700,910.70/280,051,366.05 = 118,844,424.30/x
  3. Step 3: Cross multiply
    186,700,910.70x = 280,051,366.05 × 118,844,424.30
  4. Step 4: Simplify right side
    186,700,910.70x = 33,282,543,372,640,816
  5. Step 5: Solve for x
    x = 33,282,543,372,640,816/186,700,910.70
  6. Step 6: Final answer
    x = 178,266,636.45

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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.