Home / 186,600,805.20-279,901,207.80-118,744,318.80

Finding the Fourth Proportional to 186,600,805.20, 279,901,207.80 and 118,744,318.80

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Solution

The fourth proportional to 186,600,805.20, 279,901,207.80 and 118,744,318.80 is: 178,116,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,600,805.20 : 279,901,207.80 = 118,744,318.80 : x
  2. Step 2: Convert to fraction form
    186,600,805.20/279,901,207.80 = 118,744,318.80/x
  3. Step 3: Cross multiply
    186,600,805.20x = 279,901,207.80 × 118,744,318.80
  4. Step 4: Simplify right side
    186,600,805.20x = 33,236,678,251,508,248
  5. Step 5: Solve for x
    x = 33,236,678,251,508,248/186,600,805.20
  6. Step 6: Final answer
    x = 178,116,478.20

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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.