Home / 100,327,597.72-150,484,089.12-45,012,561.28

Finding the Fourth Proportional to 100,327,597.72, 150,484,089.12 and 45,012,561.28

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Solution

The fourth proportional to 100,327,597.72, 150,484,089.12 and 45,012,561.28 is: 67,515,563.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,327,597.72 : 150,484,089.12 = 45,012,561.28 : x
  2. Step 2: Convert to fraction form
    100,327,597.72/150,484,089.12 = 45,012,561.28/x
  3. Step 3: Cross multiply
    100,327,597.72x = 150,484,089.12 × 45,012,561.28
  4. Step 4: Simplify right side
    100,327,597.72x = 6,773,674,283,178,982
  5. Step 5: Solve for x
    x = 6,773,674,283,178,982/100,327,597.72
  6. Step 6: Final answer
    x = 67,515,563.39

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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.