Home / 86,925,414.20-130,388,121.30-52,488,037.40

Finding the Fourth Proportional to 86,925,414.20, 130,388,121.30 and 52,488,037.40

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Solution

The fourth proportional to 86,925,414.20, 130,388,121.30 and 52,488,037.40 is: 78,732,056.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,925,414.20 : 130,388,121.30 = 52,488,037.40 : x
  2. Step 2: Convert to fraction form
    86,925,414.20/130,388,121.30 = 52,488,037.40/x
  3. Step 3: Cross multiply
    86,925,414.20x = 130,388,121.30 × 52,488,037.40
  4. Step 4: Simplify right side
    86,925,414.20x = 6,843,816,587,310,136
  5. Step 5: Solve for x
    x = 6,843,816,587,310,136/86,925,414.20
  6. Step 6: Final answer
    x = 78,732,056.10

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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.