Home / 108,867,485.70-163,194,940.35-97,388,360.10

Finding the Fourth Proportional to 108,867,485.70, 163,194,940.35 and 97,388,360.10

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Solution

The fourth proportional to 108,867,485.70, 163,194,940.35 and 97,388,360.10 is: 145,987,459.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,867,485.70 : 163,194,940.35 = 97,388,360.10 : x
  2. Step 2: Convert to fraction form
    108,867,485.70/163,194,940.35 = 97,388,360.10/x
  3. Step 3: Cross multiply
    108,867,485.70x = 163,194,940.35 × 97,388,360.10
  4. Step 4: Simplify right side
    108,867,485.70x = 15,893,287,617,303,818
  5. Step 5: Solve for x
    x = 15,893,287,617,303,818/108,867,485.70
  6. Step 6: Final answer
    x = 145,987,459.11

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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.