Home / 185,630,712.55-278,576,915.65-87,266,908.85

Finding the Fourth Proportional to 185,630,712.55, 278,576,915.65 and 87,266,908.85

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Solution

The fourth proportional to 185,630,712.55, 278,576,915.65 and 87,266,908.85 is: 130,961,875.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,630,712.55 : 278,576,915.65 = 87,266,908.85 : x
  2. Step 2: Convert to fraction form
    185,630,712.55/278,576,915.65 = 87,266,908.85/x
  3. Step 3: Cross multiply
    185,630,712.55x = 278,576,915.65 × 87,266,908.85
  4. Step 4: Simplify right side
    185,630,712.55x = 24,310,546,304,131,636
  5. Step 5: Solve for x
    x = 24,310,546,304,131,636/185,630,712.55
  6. Step 6: Final answer
    x = 130,961,875.71

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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.