Home / 186,702,257.80-280,053,386.70-100,608,815.80

Finding the Fourth Proportional to 186,702,257.80, 280,053,386.70 and 100,608,815.80

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Solution

The fourth proportional to 186,702,257.80, 280,053,386.70 and 100,608,815.80 is: 150,913,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,702,257.80 : 280,053,386.70 = 100,608,815.80 : x
  2. Step 2: Convert to fraction form
    186,702,257.80/280,053,386.70 = 100,608,815.80/x
  3. Step 3: Cross multiply
    186,702,257.80x = 280,053,386.70 × 100,608,815.80
  4. Step 4: Simplify right side
    186,702,257.80x = 28,175,839,596,666,468
  5. Step 5: Solve for x
    x = 28,175,839,596,666,468/186,702,257.80
  6. Step 6: Final answer
    x = 150,913,223.70

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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.