Home / 108,847,490.30-163,334,221.06-40,697,071.10

Finding the Fourth Proportional to 108,847,490.30, 163,334,221.06 and 40,697,071.10

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Solution

The fourth proportional to 108,847,490.30, 163,334,221.06 and 40,697,071.10 is: 61,069,156.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,847,490.30 : 163,334,221.06 = 40,697,071.10 : x
  2. Step 2: Convert to fraction form
    108,847,490.30/163,334,221.06 = 40,697,071.10/x
  3. Step 3: Cross multiply
    108,847,490.30x = 163,334,221.06 × 40,697,071.10
  4. Step 4: Simplify right side
    108,847,490.30x = 6,647,224,407,541,938
  5. Step 5: Solve for x
    x = 6,647,224,407,541,938/108,847,490.30
  6. Step 6: Final answer
    x = 61,069,156.39

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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.