Home / 252,227,601.60-378,341,402.40-115,912,985.10

Finding the Fourth Proportional to 252,227,601.60, 378,341,402.40 and 115,912,985.10

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Solution

The fourth proportional to 252,227,601.60, 378,341,402.40 and 115,912,985.10 is: 173,869,477.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,227,601.60 : 378,341,402.40 = 115,912,985.10 : x
  2. Step 2: Convert to fraction form
    252,227,601.60/378,341,402.40 = 115,912,985.10/x
  3. Step 3: Cross multiply
    252,227,601.60x = 378,341,402.40 × 115,912,985.10
  4. Step 4: Simplify right side
    252,227,601.60x = 43,854,681,339,104,296
  5. Step 5: Solve for x
    x = 43,854,681,339,104,296/252,227,601.60
  6. Step 6: Final answer
    x = 173,869,477.65

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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.