Home / 252,602,579.60-378,903,869.40-143,763,462.80

Finding the Fourth Proportional to 252,602,579.60, 378,903,869.40 and 143,763,462.80

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Solution

The fourth proportional to 252,602,579.60, 378,903,869.40 and 143,763,462.80 is: 215,645,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,602,579.60 : 378,903,869.40 = 143,763,462.80 : x
  2. Step 2: Convert to fraction form
    252,602,579.60/378,903,869.40 = 143,763,462.80/x
  3. Step 3: Cross multiply
    252,602,579.60x = 378,903,869.40 × 143,763,462.80
  4. Step 4: Simplify right side
    252,602,579.60x = 54,472,532,333,262,960
  5. Step 5: Solve for x
    x = 54,472,532,333,262,960/252,602,579.60
  6. Step 6: Final answer
    x = 215,645,194.20

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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.