Home / 234,520,343.48-351,834,559.23-81,166,401.74

Finding the Fourth Proportional to 234,520,343.48, 351,834,559.23 and 81,166,401.74

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Solution

The fourth proportional to 234,520,343.48, 351,834,559.23 and 81,166,401.74 is: 121,768,306.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,520,343.48 : 351,834,559.23 = 81,166,401.74 : x
  2. Step 2: Convert to fraction form
    234,520,343.48/351,834,559.23 = 81,166,401.74/x
  3. Step 3: Cross multiply
    234,520,343.48x = 351,834,559.23 × 81,166,401.74
  4. Step 4: Simplify right side
    234,520,343.48x = 28,557,145,180,478,004
  5. Step 5: Solve for x
    x = 28,557,145,180,478,004/234,520,343.48
  6. Step 6: Final answer
    x = 121,768,306.99

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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.