Home / 86,634,453.80-129,951,680.70-59,424,674.60

Finding the Fourth Proportional to 86,634,453.80, 129,951,680.70 and 59,424,674.60

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Solution

The fourth proportional to 86,634,453.80, 129,951,680.70 and 59,424,674.60 is: 89,137,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,634,453.80 : 129,951,680.70 = 59,424,674.60 : x
  2. Step 2: Convert to fraction form
    86,634,453.80/129,951,680.70 = 59,424,674.60/x
  3. Step 3: Cross multiply
    86,634,453.80x = 129,951,680.70 × 59,424,674.60
  4. Step 4: Simplify right side
    86,634,453.80x = 7,722,336,339,320,601
  5. Step 5: Solve for x
    x = 7,722,336,339,320,601/86,634,453.80
  6. Step 6: Final answer
    x = 89,137,011.90

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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.