Home / 185,630,721.32-278,576,928.76-87,266,917.64

Finding the Fourth Proportional to 185,630,721.32, 278,576,928.76 and 87,266,917.64

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Solution

The fourth proportional to 185,630,721.32, 278,576,928.76 and 87,266,917.64 is: 130,961,888.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,630,721.32 : 278,576,928.76 = 87,266,917.64 : x
  2. Step 2: Convert to fraction form
    185,630,721.32/278,576,928.76 = 87,266,917.64/x
  3. Step 3: Cross multiply
    185,630,721.32x = 278,576,928.76 × 87,266,917.64
  4. Step 4: Simplify right side
    185,630,721.32x = 24,310,549,898,503,068
  5. Step 5: Solve for x
    x = 24,310,549,898,503,068/185,630,721.32
  6. Step 6: Final answer
    x = 130,961,888.88

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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.