Home / 101,440,280.88-139,975,777.62-56,788,698

Finding the Fourth Proportional to 101,440,280.88, 139,975,777.62 and 56,788,698

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Solution

The fourth proportional to 101,440,280.88, 139,975,777.62 and 56,788,698 is: 78,361,791.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,440,280.88 : 139,975,777.62 = 56,788,698 : x
  2. Step 2: Convert to fraction form
    101,440,280.88/139,975,777.62 = 56,788,698/x
  3. Step 3: Cross multiply
    101,440,280.88x = 139,975,777.62 × 56,788,698
  4. Step 4: Simplify right side
    101,440,280.88x = 7,949,042,162,577,339
  5. Step 5: Solve for x
    x = 7,949,042,162,577,339/101,440,280.88
  6. Step 6: Final answer
    x = 78,361,791.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.