Home / 47,558,512.80-71,337,769.20-31,119,271.20

Finding the Fourth Proportional to 47,558,512.80, 71,337,769.20 and 31,119,271.20

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Solution

The fourth proportional to 47,558,512.80, 71,337,769.20 and 31,119,271.20 is: 46,678,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,558,512.80 : 71,337,769.20 = 31,119,271.20 : x
  2. Step 2: Convert to fraction form
    47,558,512.80/71,337,769.20 = 31,119,271.20/x
  3. Step 3: Cross multiply
    47,558,512.80x = 71,337,769.20 × 31,119,271.20
  4. Step 4: Simplify right side
    47,558,512.80x = 2,219,979,386,537,807
  5. Step 5: Solve for x
    x = 2,219,979,386,537,807/47,558,512.80
  6. Step 6: Final answer
    x = 46,678,906.80

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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.