Home / 108,880,618.60-163,131,971.10-91,874,506.60

Finding the Fourth Proportional to 108,880,618.60, 163,131,971.10 and 91,874,506.60

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Solution

The fourth proportional to 108,880,618.60, 163,131,971.10 and 91,874,506.60 is: 137,652,316.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,880,618.60 : 163,131,971.10 = 91,874,506.60 : x
  2. Step 2: Convert to fraction form
    108,880,618.60/163,131,971.10 = 91,874,506.60/x
  3. Step 3: Cross multiply
    108,880,618.60x = 163,131,971.10 × 91,874,506.60
  4. Step 4: Simplify right side
    108,880,618.60x = 14,987,669,355,497,958
  5. Step 5: Solve for x
    x = 14,987,669,355,497,958/108,880,618.60
  6. Step 6: Final answer
    x = 137,652,316.35

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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.