Home / 230,905,824.72-318,529,228.80-142,771,649.28

Finding the Fourth Proportional to 230,905,824.72, 318,529,228.80 and 142,771,649.28

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Solution

The fourth proportional to 230,905,824.72, 318,529,228.80 and 142,771,649.28 is: 196,950,178.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,905,824.72 : 318,529,228.80 = 142,771,649.28 : x
  2. Step 2: Convert to fraction form
    230,905,824.72/318,529,228.80 = 142,771,649.28/x
  3. Step 3: Cross multiply
    230,905,824.72x = 318,529,228.80 × 142,771,649.28
  4. Step 4: Simplify right side
    230,905,824.72x = 45,476,943,339,662,480
  5. Step 5: Solve for x
    x = 45,476,943,339,662,480/230,905,824.72
  6. Step 6: Final answer
    x = 196,950,178.26

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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.