Home / 142,126,012.56-213,267,847.92-69,343,391.28

Finding the Fourth Proportional to 142,126,012.56, 213,267,847.92 and 69,343,391.28

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Solution

The fourth proportional to 142,126,012.56, 213,267,847.92 and 69,343,391.28 is: 104,053,547.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,126,012.56 : 213,267,847.92 = 69,343,391.28 : x
  2. Step 2: Convert to fraction form
    142,126,012.56/213,267,847.92 = 69,343,391.28/x
  3. Step 3: Cross multiply
    142,126,012.56x = 213,267,847.92 × 69,343,391.28
  4. Step 4: Simplify right side
    142,126,012.56x = 14,788,715,825,760,094
  5. Step 5: Solve for x
    x = 14,788,715,825,760,094/142,126,012.56
  6. Step 6: Final answer
    x = 104,053,547.69

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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.