Home / 43,689,309.44-65,534,908.80-13,396,501.76

Finding the Fourth Proportional to 43,689,309.44, 65,534,908.80 and 13,396,501.76

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Solution

The fourth proportional to 43,689,309.44, 65,534,908.80 and 13,396,501.76 is: 20,095,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,689,309.44 : 65,534,908.80 = 13,396,501.76 : x
  2. Step 2: Convert to fraction form
    43,689,309.44/65,534,908.80 = 13,396,501.76/x
  3. Step 3: Cross multiply
    43,689,309.44x = 65,534,908.80 × 13,396,501.76
  4. Step 4: Simplify right side
    43,689,309.44x = 877,938,521,080,639.38
  5. Step 5: Solve for x
    x = 877,938,521,080,639.38/43,689,309.44
  6. Step 6: Final answer
    x = 20,095,042.30

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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.