Home / 144,581,093.80-217,039,602.30-87,138,226.60

Finding the Fourth Proportional to 144,581,093.80, 217,039,602.30 and 87,138,226.60

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Solution

The fourth proportional to 144,581,093.80, 217,039,602.30 and 87,138,226.60 is: 130,808,569.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,581,093.80 : 217,039,602.30 = 87,138,226.60 : x
  2. Step 2: Convert to fraction form
    144,581,093.80/217,039,602.30 = 87,138,226.60/x
  3. Step 3: Cross multiply
    144,581,093.80x = 217,039,602.30 × 87,138,226.60
  4. Step 4: Simplify right side
    144,581,093.80x = 18,912,446,046,391,280
  5. Step 5: Solve for x
    x = 18,912,446,046,391,280/144,581,093.80
  6. Step 6: Final answer
    x = 130,808,569.43

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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.