Home / 85,544,933.66-128,266,157.05-27,227,421.57

Finding the Fourth Proportional to 85,544,933.66, 128,266,157.05 and 27,227,421.57

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Solution

The fourth proportional to 85,544,933.66, 128,266,157.05 and 27,227,421.57 is: 40,824,822.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,544,933.66 : 128,266,157.05 = 27,227,421.57 : x
  2. Step 2: Convert to fraction form
    85,544,933.66/128,266,157.05 = 27,227,421.57/x
  3. Step 3: Cross multiply
    85,544,933.66x = 128,266,157.05 × 27,227,421.57
  4. Step 4: Simplify right side
    85,544,933.66x = 3,492,356,731,730,397.50
  5. Step 5: Solve for x
    x = 3,492,356,731,730,397.50/85,544,933.66
  6. Step 6: Final answer
    x = 40,824,822.49

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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.