Home / 181,429,861.80-272,144,792.70-120,207,858.60

Finding the Fourth Proportional to 181,429,861.80, 272,144,792.70 and 120,207,858.60

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Solution

The fourth proportional to 181,429,861.80, 272,144,792.70 and 120,207,858.60 is: 180,311,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,429,861.80 : 272,144,792.70 = 120,207,858.60 : x
  2. Step 2: Convert to fraction form
    181,429,861.80/272,144,792.70 = 120,207,858.60/x
  3. Step 3: Cross multiply
    181,429,861.80x = 272,144,792.70 × 120,207,858.60
  4. Step 4: Simplify right side
    181,429,861.80x = 32,713,942,759,607,908
  5. Step 5: Solve for x
    x = 32,713,942,759,607,908/181,429,861.80
  6. Step 6: Final answer
    x = 180,311,787.90

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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.