Home / 39,139,321.80-58,708,982.70-35,612,128.20

Finding the Fourth Proportional to 39,139,321.80, 58,708,982.70 and 35,612,128.20

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Solution

The fourth proportional to 39,139,321.80, 58,708,982.70 and 35,612,128.20 is: 53,418,192.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,139,321.80 : 58,708,982.70 = 35,612,128.20 : x
  2. Step 2: Convert to fraction form
    39,139,321.80/58,708,982.70 = 35,612,128.20/x
  3. Step 3: Cross multiply
    39,139,321.80x = 58,708,982.70 × 35,612,128.20
  4. Step 4: Simplify right side
    39,139,321.80x = 2,090,751,818,403,982.50
  5. Step 5: Solve for x
    x = 2,090,751,818,403,982.50/39,139,321.80
  6. Step 6: Final answer
    x = 53,418,192.30

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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.