Home / 186,077,005.80-279,115,508.70-124,855,002.60

Finding the Fourth Proportional to 186,077,005.80, 279,115,508.70 and 124,855,002.60

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Solution

The fourth proportional to 186,077,005.80, 279,115,508.70 and 124,855,002.60 is: 187,282,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,077,005.80 : 279,115,508.70 = 124,855,002.60 : x
  2. Step 2: Convert to fraction form
    186,077,005.80/279,115,508.70 = 124,855,002.60/x
  3. Step 3: Cross multiply
    186,077,005.80x = 279,115,508.70 × 124,855,002.60
  4. Step 4: Simplify right side
    186,077,005.80x = 34,848,967,564,438,820
  5. Step 5: Solve for x
    x = 34,848,967,564,438,820/186,077,005.80
  6. Step 6: Final answer
    x = 187,282,503.90

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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.