Home / 50,430,691.80-75,618,044.10-20,104,291.80

Finding the Fourth Proportional to 50,430,691.80, 75,618,044.10 and 20,104,291.80

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Solution

The fourth proportional to 50,430,691.80, 75,618,044.10 and 20,104,291.80 is: 30,145,278.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,430,691.80 : 75,618,044.10 = 20,104,291.80 : x
  2. Step 2: Convert to fraction form
    50,430,691.80/75,618,044.10 = 20,104,291.80/x
  3. Step 3: Cross multiply
    50,430,691.80x = 75,618,044.10 × 20,104,291.80
  4. Step 4: Simplify right side
    50,430,691.80x = 1,520,247,223,931,668.25
  5. Step 5: Solve for x
    x = 1,520,247,223,931,668.25/50,430,691.80
  6. Step 6: Final answer
    x = 30,145,278.00

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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.