Home / 53,227,340.40-79,841,010.60-47,842,071.60

Finding the Fourth Proportional to 53,227,340.40, 79,841,010.60 and 47,842,071.60

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Solution

The fourth proportional to 53,227,340.40, 79,841,010.60 and 47,842,071.60 is: 71,763,107.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,227,340.40 : 79,841,010.60 = 47,842,071.60 : x
  2. Step 2: Convert to fraction form
    53,227,340.40/79,841,010.60 = 47,842,071.60/x
  3. Step 3: Cross multiply
    53,227,340.40x = 79,841,010.60 × 47,842,071.60
  4. Step 4: Simplify right side
    53,227,340.40x = 3,819,759,345,741,559
  5. Step 5: Solve for x
    x = 3,819,759,345,741,559/53,227,340.40
  6. Step 6: Final answer
    x = 71,763,107.40

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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.