Home / 47,390,012.80-71,085,019.20-30,950,771.20

Finding the Fourth Proportional to 47,390,012.80, 71,085,019.20 and 30,950,771.20

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Solution

The fourth proportional to 47,390,012.80, 71,085,019.20 and 30,950,771.20 is: 46,426,156.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,390,012.80 : 71,085,019.20 = 30,950,771.20 : x
  2. Step 2: Convert to fraction form
    47,390,012.80/71,085,019.20 = 30,950,771.20/x
  3. Step 3: Cross multiply
    47,390,012.80x = 71,085,019.20 × 30,950,771.20
  4. Step 4: Simplify right side
    47,390,012.80x = 2,200,136,165,006,807
  5. Step 5: Solve for x
    x = 2,200,136,165,006,807/47,390,012.80
  6. Step 6: Final answer
    x = 46,426,156.80

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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.