Home / 218,781,419.04-301,915,912.14-119,665,014.12

Finding the Fourth Proportional to 218,781,419.04, 301,915,912.14 and 119,665,014.12

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Solution

The fourth proportional to 218,781,419.04, 301,915,912.14 and 119,665,014.12 is: 165,136,381.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,781,419.04 : 301,915,912.14 = 119,665,014.12 : x
  2. Step 2: Convert to fraction form
    218,781,419.04/301,915,912.14 = 119,665,014.12/x
  3. Step 3: Cross multiply
    218,781,419.04x = 301,915,912.14 × 119,665,014.12
  4. Step 4: Simplify right side
    218,781,419.04x = 36,128,771,889,285,776
  5. Step 5: Solve for x
    x = 36,128,771,889,285,776/218,781,419.04
  6. Step 6: Final answer
    x = 165,136,381.54

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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.