Home / 147,531,153.36-203,588,939.40-81,450,450.84

Finding the Fourth Proportional to 147,531,153.36, 203,588,939.40 and 81,450,450.84

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Solution

The fourth proportional to 147,531,153.36, 203,588,939.40 and 81,450,450.84 is: 112,399,384.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,531,153.36 : 203,588,939.40 = 81,450,450.84 : x
  2. Step 2: Convert to fraction form
    147,531,153.36/203,588,939.40 = 81,450,450.84/x
  3. Step 3: Cross multiply
    147,531,153.36x = 203,588,939.40 × 81,450,450.84
  4. Step 4: Simplify right side
    147,531,153.36x = 16,582,410,900,167,440
  5. Step 5: Solve for x
    x = 16,582,410,900,167,440/147,531,153.36
  6. Step 6: Final answer
    x = 112,399,384.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.