Home / 142,126,015.56-213,267,852.42-69,343,394.28

Finding the Fourth Proportional to 142,126,015.56, 213,267,852.42 and 69,343,394.28

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Solution

The fourth proportional to 142,126,015.56, 213,267,852.42 and 69,343,394.28 is: 104,053,552.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,126,015.56 : 213,267,852.42 = 69,343,394.28 : x
  2. Step 2: Convert to fraction form
    142,126,015.56/213,267,852.42 = 69,343,394.28/x
  3. Step 3: Cross multiply
    142,126,015.56x = 213,267,852.42 × 69,343,394.28
  4. Step 4: Simplify right side
    142,126,015.56x = 14,788,716,777,608,912
  5. Step 5: Solve for x
    x = 14,788,716,777,608,912/142,126,015.56
  6. Step 6: Final answer
    x = 104,053,552.19

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1.5x scale

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.