Home / 154,426,824.78-231,640,050.87-39,411,379.41

Finding the Fourth Proportional to 154,426,824.78, 231,640,050.87 and 39,411,379.41

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Solution

The fourth proportional to 154,426,824.78, 231,640,050.87 and 39,411,379.41 is: 59,117,021.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,426,824.78 : 231,640,050.87 = 39,411,379.41 : x
  2. Step 2: Convert to fraction form
    154,426,824.78/231,640,050.87 = 39,411,379.41/x
  3. Step 3: Cross multiply
    154,426,824.78x = 231,640,050.87 × 39,411,379.41
  4. Step 4: Simplify right side
    154,426,824.78x = 9,129,253,931,389,270
  5. Step 5: Solve for x
    x = 9,129,253,931,389,270/154,426,824.78
  6. Step 6: Final answer
    x = 59,117,021.57

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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.