Home / 99,653,608.68-149,429,208.06-45,036,611.16

Finding the Fourth Proportional to 99,653,608.68, 149,429,208.06 and 45,036,611.16

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Solution

The fourth proportional to 99,653,608.68, 149,429,208.06 and 45,036,611.16 is: 67,531,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,653,608.68 : 149,429,208.06 = 45,036,611.16 : x
  2. Step 2: Convert to fraction form
    99,653,608.68/149,429,208.06 = 45,036,611.16/x
  3. Step 3: Cross multiply
    99,653,608.68x = 149,429,208.06 × 45,036,611.16
  4. Step 4: Simplify right side
    99,653,608.68x = 6,729,785,139,344,958
  5. Step 5: Solve for x
    x = 6,729,785,139,344,958/99,653,608.68
  6. Step 6: Final answer
    x = 67,531,775.60

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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.