Home / 66,455,760.72-99,694,180.80-28,117,560

Finding the Fourth Proportional to 66,455,760.72, 99,694,180.80 and 28,117,560

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Solution

The fourth proportional to 66,455,760.72, 99,694,180.80 and 28,117,560 is: 42,180,799.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,455,760.72 : 99,694,180.80 = 28,117,560 : x
  2. Step 2: Convert to fraction form
    66,455,760.72/99,694,180.80 = 28,117,560/x
  3. Step 3: Cross multiply
    66,455,760.72x = 99,694,180.80 × 28,117,560
  4. Step 4: Simplify right side
    66,455,760.72x = 2,803,157,110,294,848
  5. Step 5: Solve for x
    x = 2,803,157,110,294,848/66,455,760.72
  6. Step 6: Final answer
    x = 42,180,799.38

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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.