Home / 99,072,002.80-148,608,004.20-60,329,953.90

Finding the Fourth Proportional to 99,072,002.80, 148,608,004.20 and 60,329,953.90

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Solution

The fourth proportional to 99,072,002.80, 148,608,004.20 and 60,329,953.90 is: 90,494,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,072,002.80 : 148,608,004.20 = 60,329,953.90 : x
  2. Step 2: Convert to fraction form
    99,072,002.80/148,608,004.20 = 60,329,953.90/x
  3. Step 3: Cross multiply
    99,072,002.80x = 148,608,004.20 × 60,329,953.90
  4. Step 4: Simplify right side
    99,072,002.80x = 8,965,514,042,557,005
  5. Step 5: Solve for x
    x = 8,965,514,042,557,005/99,072,002.80
  6. Step 6: Final answer
    x = 90,494,930.85

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1.5x scale

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.