Home / 92,986,520.49-128,322,578.70-51,175,399.86

Finding the Fourth Proportional to 92,986,520.49, 128,322,578.70 and 51,175,399.86

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Solution

The fourth proportional to 92,986,520.49, 128,322,578.70 and 51,175,399.86 is: 70,622,701.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,986,520.49 : 128,322,578.70 = 51,175,399.86 : x
  2. Step 2: Convert to fraction form
    92,986,520.49/128,322,578.70 = 51,175,399.86/x
  3. Step 3: Cross multiply
    92,986,520.49x = 128,322,578.70 × 51,175,399.86
  4. Step 4: Simplify right side
    92,986,520.49x = 6,566,959,276,038,819
  5. Step 5: Solve for x
    x = 6,566,959,276,038,819/92,986,520.49
  6. Step 6: Final answer
    x = 70,622,701.46

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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.