Home / 108,867,746.20-163,195,331.10-97,388,620.60

Finding the Fourth Proportional to 108,867,746.20, 163,195,331.10 and 97,388,620.60

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Solution

The fourth proportional to 108,867,746.20, 163,195,331.10 and 97,388,620.60 is: 145,987,849.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,867,746.20 : 163,195,331.10 = 97,388,620.60 : x
  2. Step 2: Convert to fraction form
    108,867,746.20/163,195,331.10 = 97,388,620.60/x
  3. Step 3: Cross multiply
    108,867,746.20x = 163,195,331.10 × 97,388,620.60
  4. Step 4: Simplify right side
    108,867,746.20x = 15,893,368,184,189,280
  5. Step 5: Solve for x
    x = 15,893,368,184,189,280/108,867,746.20
  6. Step 6: Final answer
    x = 145,987,849.84

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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.