Home / 53,876,174.20-80,864,999.70-28,335,513.40

Finding the Fourth Proportional to 53,876,174.20, 80,864,999.70 and 28,335,513.40

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Solution

The fourth proportional to 53,876,174.20, 80,864,999.70 and 28,335,513.40 is: 42,529,955.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,876,174.20 : 80,864,999.70 = 28,335,513.40 : x
  2. Step 2: Convert to fraction form
    53,876,174.20/80,864,999.70 = 28,335,513.40/x
  3. Step 3: Cross multiply
    53,876,174.20x = 80,864,999.70 × 28,335,513.40
  4. Step 4: Simplify right side
    53,876,174.20x = 2,291,351,282,590,346
  5. Step 5: Solve for x
    x = 2,291,351,282,590,346/53,876,174.20
  6. Step 6: Final answer
    x = 42,529,955.34

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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.