Home / 98,456,544.39-135,869,986.41-54,403,157.91

Finding the Fourth Proportional to 98,456,544.39, 135,869,986.41 and 54,403,157.91

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Solution

The fourth proportional to 98,456,544.39, 135,869,986.41 and 54,403,157.91 is: 75,076,333.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,456,544.39 : 135,869,986.41 = 54,403,157.91 : x
  2. Step 2: Convert to fraction form
    98,456,544.39/135,869,986.41 = 54,403,157.91/x
  3. Step 3: Cross multiply
    98,456,544.39x = 135,869,986.41 × 54,403,157.91
  4. Step 4: Simplify right side
    98,456,544.39x = 7,391,756,325,892,783
  5. Step 5: Solve for x
    x = 7,391,756,325,892,783/98,456,544.39
  6. Step 6: Final answer
    x = 75,076,333.13

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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.