Home / 57,017,126,166.66-78,683,712,027.72-30,945,491,892.21

Finding the Fourth Proportional to 57,017,126,166.66, 78,683,712,027.72 and 30,945,491,892.21

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Solution

The fourth proportional to 57,017,126,166.66, 78,683,712,027.72 and 30,945,491,892.21 is: 42,704,821,100.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,017,126,166.66 : 78,683,712,027.72 = 30,945,491,892.21 : x
  2. Step 2: Convert to fraction form
    57,017,126,166.66/78,683,712,027.72 = 30,945,491,892.21/x
  3. Step 3: Cross multiply
    57,017,126,166.66x = 78,683,712,027.72 × 30,945,491,892.21
  4. Step 4: Simplify right side
    57,017,126,166.66x = 2,434,906,172,602,795,425,792
  5. Step 5: Solve for x
    x = 2,434,906,172,602,795,425,792/57,017,126,166.66
  6. Step 6: Final answer
    x = 42,704,821,100.34

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1.5x scale

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.