Home / 71,140,441.09-98,135,938.71-43,271,675.05

Finding the Fourth Proportional to 71,140,441.09, 98,135,938.71 and 43,271,675.05

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Solution

The fourth proportional to 71,140,441.09, 98,135,938.71 and 43,271,675.05 is: 59,691,876.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,140,441.09 : 98,135,938.71 = 43,271,675.05 : x
  2. Step 2: Convert to fraction form
    71,140,441.09/98,135,938.71 = 43,271,675.05/x
  3. Step 3: Cross multiply
    71,140,441.09x = 98,135,938.71 × 43,271,675.05
  4. Step 4: Simplify right side
    71,140,441.09x = 4,246,506,450,585,835.50
  5. Step 5: Solve for x
    x = 4,246,506,450,585,835.50/71,140,441.09
  6. Step 6: Final answer
    x = 59,691,876.88

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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.