Home / 253,247,343.67-349,492,256.82-140,216,834.89

Finding the Fourth Proportional to 253,247,343.67, 349,492,256.82 and 140,216,834.89

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Solution

The fourth proportional to 253,247,343.67, 349,492,256.82 and 140,216,834.89 is: 193,505,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,247,343.67 : 349,492,256.82 = 140,216,834.89 : x
  2. Step 2: Convert to fraction form
    253,247,343.67/349,492,256.82 = 140,216,834.89/x
  3. Step 3: Cross multiply
    253,247,343.67x = 349,492,256.82 × 140,216,834.89
  4. Step 4: Simplify right side
    253,247,343.67x = 49,004,698,068,336,136
  5. Step 5: Solve for x
    x = 49,004,698,068,336,136/253,247,343.67
  6. Step 6: Final answer
    x = 193,505,279.70

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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.