Home / 98,151,495.30-147,546,107.55-84,121,452.90

Finding the Fourth Proportional to 98,151,495.30, 147,546,107.55 and 84,121,452.90

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Solution

The fourth proportional to 98,151,495.30, 147,546,107.55 and 84,121,452.90 is: 126,455,464.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,151,495.30 : 147,546,107.55 = 84,121,452.90 : x
  2. Step 2: Convert to fraction form
    98,151,495.30/147,546,107.55 = 84,121,452.90/x
  3. Step 3: Cross multiply
    98,151,495.30x = 147,546,107.55 × 84,121,452.90
  4. Step 4: Simplify right side
    98,151,495.30x = 12,411,792,936,845,662
  5. Step 5: Solve for x
    x = 12,411,792,936,845,662/98,151,495.30
  6. Step 6: Final answer
    x = 126,455,464.57

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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.