Home / 129,988,309.65-194,982,452.63-57,205,090.32

Finding the Fourth Proportional to 129,988,309.65, 194,982,452.63 and 57,205,090.32

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Solution

The fourth proportional to 129,988,309.65, 194,982,452.63 and 57,205,090.32 is: 85,807,630.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,988,309.65 : 194,982,452.63 = 57,205,090.32 : x
  2. Step 2: Convert to fraction form
    129,988,309.65/194,982,452.63 = 57,205,090.32/x
  3. Step 3: Cross multiply
    129,988,309.65x = 194,982,452.63 × 57,205,090.32
  4. Step 4: Simplify right side
    129,988,309.65x = 11,153,988,814,130,422
  5. Step 5: Solve for x
    x = 11,153,988,814,130,422/129,988,309.65
  6. Step 6: Final answer
    x = 85,807,630.27

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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.