Home / 186,990,222.78-280,472,031.72-57,584,339.28

Finding the Fourth Proportional to 186,990,222.78, 280,472,031.72 and 57,584,339.28

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Solution

The fourth proportional to 186,990,222.78, 280,472,031.72 and 57,584,339.28 is: 86,372,412.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,990,222.78 : 280,472,031.72 = 57,584,339.28 : x
  2. Step 2: Convert to fraction form
    186,990,222.78/280,472,031.72 = 57,584,339.28/x
  3. Step 3: Cross multiply
    186,990,222.78x = 280,472,031.72 × 57,584,339.28
  4. Step 4: Simplify right side
    186,990,222.78x = 16,150,796,633,115,404
  5. Step 5: Solve for x
    x = 16,150,796,633,115,404/186,990,222.78
  6. Step 6: Final answer
    x = 86,372,412.38

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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.