Home / 92,986,454.10-128,322,487.20-51,175,333.43

Finding the Fourth Proportional to 92,986,454.10, 128,322,487.20 and 51,175,333.43

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Solution

The fourth proportional to 92,986,454.10, 128,322,487.20 and 51,175,333.43 is: 70,622,609.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,986,454.10 : 128,322,487.20 = 51,175,333.43 : x
  2. Step 2: Convert to fraction form
    92,986,454.10/128,322,487.20 = 51,175,333.43/x
  3. Step 3: Cross multiply
    92,986,454.10x = 128,322,487.20 × 51,175,333.43
  4. Step 4: Simplify right side
    92,986,454.10x = 6,566,946,069,026,907
  5. Step 5: Solve for x
    x = 6,566,946,069,026,907/92,986,454.10
  6. Step 6: Final answer
    x = 70,622,609.85

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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.