Home / 186,509,087.80-279,763,631.70-156,275,999.80

Finding the Fourth Proportional to 186,509,087.80, 279,763,631.70 and 156,275,999.80

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Solution

The fourth proportional to 186,509,087.80, 279,763,631.70 and 156,275,999.80 is: 234,413,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,509,087.80 : 279,763,631.70 = 156,275,999.80 : x
  2. Step 2: Convert to fraction form
    186,509,087.80/279,763,631.70 = 156,275,999.80/x
  3. Step 3: Cross multiply
    186,509,087.80x = 279,763,631.70 × 156,275,999.80
  4. Step 4: Simplify right side
    186,509,087.80x = 43,720,341,251,596,472
  5. Step 5: Solve for x
    x = 43,720,341,251,596,472/186,509,087.80
  6. Step 6: Final answer
    x = 234,413,999.70

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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.