Home / 47,827,720.80-71,741,581.20-39,429,640.80

Finding the Fourth Proportional to 47,827,720.80, 71,741,581.20 and 39,429,640.80

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Solution

The fourth proportional to 47,827,720.80, 71,741,581.20 and 39,429,640.80 is: 59,144,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,827,720.80 : 71,741,581.20 = 39,429,640.80 : x
  2. Step 2: Convert to fraction form
    47,827,720.80/71,741,581.20 = 39,429,640.80/x
  3. Step 3: Cross multiply
    47,827,720.80x = 71,741,581.20 × 39,429,640.80
  4. Step 4: Simplify right side
    47,827,720.80x = 2,828,744,777,140,033
  5. Step 5: Solve for x
    x = 2,828,744,777,140,033/47,827,720.80
  6. Step 6: Final answer
    x = 59,144,461.20

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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.