Home / 252,226,897.60-378,340,346.40-115,912,281.10

Finding the Fourth Proportional to 252,226,897.60, 378,340,346.40 and 115,912,281.10

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Solution

The fourth proportional to 252,226,897.60, 378,340,346.40 and 115,912,281.10 is: 173,868,421.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,226,897.60 : 378,340,346.40 = 115,912,281.10 : x
  2. Step 2: Convert to fraction form
    252,226,897.60/378,340,346.40 = 115,912,281.10/x
  3. Step 3: Cross multiply
    252,226,897.60x = 378,340,346.40 × 115,912,281.10
  4. Step 4: Simplify right side
    252,226,897.60x = 43,854,292,583,388,168
  5. Step 5: Solve for x
    x = 43,854,292,583,388,168/252,226,897.60
  6. Step 6: Final answer
    x = 173,868,421.65

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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.