Home / 231,011,128.56-346,283,523-144,810,069.78

Finding the Fourth Proportional to 231,011,128.56, 346,283,523 and 144,810,069.78

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Solution

The fourth proportional to 231,011,128.56, 346,283,523 and 144,810,069.78 is: 217,068,941.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,011,128.56 : 346,283,523 = 144,810,069.78 : x
  2. Step 2: Convert to fraction form
    231,011,128.56/346,283,523 = 144,810,069.78/x
  3. Step 3: Cross multiply
    231,011,128.56x = 346,283,523 × 144,810,069.78
  4. Step 4: Simplify right side
    231,011,128.56x = 50,145,341,129,294,232
  5. Step 5: Solve for x
    x = 50,145,341,129,294,232/231,011,128.56
  6. Step 6: Final answer
    x = 217,068,941.41

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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.