Home / 104,175,565.18-143,764,256.79-57,129,658.39

Finding the Fourth Proportional to 104,175,565.18, 143,764,256.79 and 57,129,658.39

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Solution

The fourth proportional to 104,175,565.18, 143,764,256.79 and 57,129,658.39 is: 78,840,012.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,175,565.18 : 143,764,256.79 = 57,129,658.39 : x
  2. Step 2: Convert to fraction form
    104,175,565.18/143,764,256.79 = 57,129,658.39/x
  3. Step 3: Cross multiply
    104,175,565.18x = 143,764,256.79 × 57,129,658.39
  4. Step 4: Simplify right side
    104,175,565.18x = 8,213,202,878,839,783
  5. Step 5: Solve for x
    x = 8,213,202,878,839,783/104,175,565.18
  6. Step 6: Final answer
    x = 78,840,012.67

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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.