Home / 156,054,157-215,273,087.94-96,496,412.20

Finding the Fourth Proportional to 156,054,157, 215,273,087.94 and 96,496,412.20

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Solution

The fourth proportional to 156,054,157, 215,273,087.94 and 96,496,412.20 is: 133,114,561.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,054,157 : 215,273,087.94 = 96,496,412.20 : x
  2. Step 2: Convert to fraction form
    156,054,157/215,273,087.94 = 96,496,412.20/x
  3. Step 3: Cross multiply
    156,054,157x = 215,273,087.94 × 96,496,412.20
  4. Step 4: Simplify right side
    156,054,157x = 20,773,080,629,425,088
  5. Step 5: Solve for x
    x = 20,773,080,629,425,088/156,054,157
  6. Step 6: Final answer
    x = 133,114,561.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.