Home / 242,548,992,138.40-363,823,488,207.60-85,462,345,866.40

Finding the Fourth Proportional to 242,548,992,138.40, 363,823,488,207.60 and 85,462,345,866.40

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Solution

The fourth proportional to 242,548,992,138.40, 363,823,488,207.60 and 85,462,345,866.40 is: 128,193,518,799.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,548,992,138.40 : 363,823,488,207.60 = 85,462,345,866.40 : x
  2. Step 2: Convert to fraction form
    242,548,992,138.40/363,823,488,207.60 = 85,462,345,866.40/x
  3. Step 3: Cross multiply
    242,548,992,138.40x = 363,823,488,207.60 × 85,462,345,866.40
  4. Step 4: Simplify right side
    242,548,992,138.40x = 31,093,208,783,518,007,558,144
  5. Step 5: Solve for x
    x = 31,093,208,783,518,007,558,144/242,548,992,138.40
  6. Step 6: Final answer
    x = 128,193,518,799.60

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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.