Home / 140,028,300.70-210,042,451.05-88,946,979.10

Finding the Fourth Proportional to 140,028,300.70, 210,042,451.05 and 88,946,979.10

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Solution

The fourth proportional to 140,028,300.70, 210,042,451.05 and 88,946,979.10 is: 133,420,468.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,028,300.70 : 210,042,451.05 = 88,946,979.10 : x
  2. Step 2: Convert to fraction form
    140,028,300.70/210,042,451.05 = 88,946,979.10/x
  3. Step 3: Cross multiply
    140,028,300.70x = 210,042,451.05 × 88,946,979.10
  4. Step 4: Simplify right side
    140,028,300.70x = 18,682,641,503,657,124
  5. Step 5: Solve for x
    x = 18,682,641,503,657,124/140,028,300.70
  6. Step 6: Final answer
    x = 133,420,468.65

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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.