Home / 102,575,991.75-141,555,097.16-55,533,561

Finding the Fourth Proportional to 102,575,991.75, 141,555,097.16 and 55,533,561

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Solution

The fourth proportional to 102,575,991.75, 141,555,097.16 and 55,533,561 is: 76,636,437.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,575,991.75 : 141,555,097.16 = 55,533,561 : x
  2. Step 2: Convert to fraction form
    102,575,991.75/141,555,097.16 = 55,533,561/x
  3. Step 3: Cross multiply
    102,575,991.75x = 141,555,097.16 × 55,533,561
  4. Step 4: Simplify right side
    102,575,991.75x = 7,861,058,622,995,787
  5. Step 5: Solve for x
    x = 7,861,058,622,995,787/102,575,991.75
  6. Step 6: Final answer
    x = 76,636,437.91

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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.