Home / 100,327,598.22-150,484,089.87-45,012,561.78

Finding the Fourth Proportional to 100,327,598.22, 150,484,089.87 and 45,012,561.78

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Solution

The fourth proportional to 100,327,598.22, 150,484,089.87 and 45,012,561.78 is: 67,515,564.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,327,598.22 : 150,484,089.87 = 45,012,561.78 : x
  2. Step 2: Convert to fraction form
    100,327,598.22/150,484,089.87 = 45,012,561.78/x
  3. Step 3: Cross multiply
    100,327,598.22x = 150,484,089.87 × 45,012,561.78
  4. Step 4: Simplify right side
    100,327,598.22x = 6,773,674,392,180,448
  5. Step 5: Solve for x
    x = 6,773,674,392,180,448/100,327,598.22
  6. Step 6: Final answer
    x = 67,515,564.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.