Home / 152,712,005.60-228,732,085.20-135,691,896.80

Finding the Fourth Proportional to 152,712,005.60, 228,732,085.20 and 135,691,896.80

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Solution

The fourth proportional to 152,712,005.60, 228,732,085.20 and 135,691,896.80 is: 203,239,361.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,712,005.60 : 228,732,085.20 = 135,691,896.80 : x
  2. Step 2: Convert to fraction form
    152,712,005.60/228,732,085.20 = 135,691,896.80/x
  3. Step 3: Cross multiply
    152,712,005.60x = 228,732,085.20 × 135,691,896.80
  4. Step 4: Simplify right side
    152,712,005.60x = 31,037,090,499,807,208
  5. Step 5: Solve for x
    x = 31,037,090,499,807,208/152,712,005.60
  6. Step 6: Final answer
    x = 203,239,361.42

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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.