Home / 142,013,045.03-195,969,767.91-79,293,114.02

Finding the Fourth Proportional to 142,013,045.03, 195,969,767.91 and 79,293,114.02

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Solution

The fourth proportional to 142,013,045.03, 195,969,767.91 and 79,293,114.02 is: 109,419,899.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,013,045.03 : 195,969,767.91 = 79,293,114.02 : x
  2. Step 2: Convert to fraction form
    142,013,045.03/195,969,767.91 = 79,293,114.02/x
  3. Step 3: Cross multiply
    142,013,045.03x = 195,969,767.91 × 79,293,114.02
  4. Step 4: Simplify right side
    142,013,045.03x = 15,539,053,151,360,566
  5. Step 5: Solve for x
    x = 15,539,053,151,360,566/142,013,045.03
  6. Step 6: Final answer
    x = 109,419,899.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.