Home / 103,534,148.84-142,928,900.33-64,388,536.88

Finding the Fourth Proportional to 103,534,148.84, 142,928,900.33 and 64,388,536.88

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Solution

The fourth proportional to 103,534,148.84, 142,928,900.33 and 64,388,536.88 is: 88,888,380.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,534,148.84 : 142,928,900.33 = 64,388,536.88 : x
  2. Step 2: Convert to fraction form
    103,534,148.84/142,928,900.33 = 64,388,536.88/x
  3. Step 3: Cross multiply
    103,534,148.84x = 142,928,900.33 × 64,388,536.88
  4. Step 4: Simplify right side
    103,534,148.84x = 9,202,982,769,079,462
  5. Step 5: Solve for x
    x = 9,202,982,769,079,462/103,534,148.84
  6. Step 6: Final answer
    x = 88,888,380.04

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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.