Home / 71,140,442.10-98,135,940.09-43,271,676.06

Finding the Fourth Proportional to 71,140,442.10, 98,135,940.09 and 43,271,676.06

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Solution

The fourth proportional to 71,140,442.10, 98,135,940.09 and 43,271,676.06 is: 59,691,878.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,140,442.10 : 98,135,940.09 = 43,271,676.06 : x
  2. Step 2: Convert to fraction form
    71,140,442.10/98,135,940.09 = 43,271,676.06/x
  3. Step 3: Cross multiply
    71,140,442.10x = 98,135,940.09 × 43,271,676.06
  4. Step 4: Simplify right side
    71,140,442.10x = 4,246,506,609,418,047.50
  5. Step 5: Solve for x
    x = 4,246,506,609,418,047.50/71,140,442.10
  6. Step 6: Final answer
    x = 59,691,878.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.