Home / 53,212,140.76-73,418,857.43-31,173,793.02

Finding the Fourth Proportional to 53,212,140.76, 73,418,857.43 and 31,173,793.02

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Solution

The fourth proportional to 53,212,140.76, 73,418,857.43 and 31,173,793.02 is: 43,011,693.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,212,140.76 : 73,418,857.43 = 31,173,793.02 : x
  2. Step 2: Convert to fraction form
    53,212,140.76/73,418,857.43 = 31,173,793.02/x
  3. Step 3: Cross multiply
    53,212,140.76x = 73,418,857.43 × 31,173,793.02
  4. Step 4: Simplify right side
    53,212,140.76x = 2,288,744,265,232,292.50
  5. Step 5: Solve for x
    x = 2,288,744,265,232,292.50/53,212,140.76
  6. Step 6: Final answer
    x = 43,011,693.06

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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.