Home / 92,934,485.70-139,401,728.55-82,890,250.80

Finding the Fourth Proportional to 92,934,485.70, 139,401,728.55 and 82,890,250.80

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Solution

The fourth proportional to 92,934,485.70, 139,401,728.55 and 82,890,250.80 is: 124,335,376.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,934,485.70 : 139,401,728.55 = 82,890,250.80 : x
  2. Step 2: Convert to fraction form
    92,934,485.70/139,401,728.55 = 82,890,250.80/x
  3. Step 3: Cross multiply
    92,934,485.70x = 139,401,728.55 × 82,890,250.80
  4. Step 4: Simplify right side
    92,934,485.70x = 11,555,044,241,463,020
  5. Step 5: Solve for x
    x = 11,555,044,241,463,020/92,934,485.70
  6. Step 6: Final answer
    x = 124,335,376.20

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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.