Home / 115,037,063.36-158,755,064.54-68,034,428.42

Finding the Fourth Proportional to 115,037,063.36, 158,755,064.54 and 68,034,428.42

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Solution

The fourth proportional to 115,037,063.36, 158,755,064.54 and 68,034,428.42 is: 93,889,827.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,037,063.36 : 158,755,064.54 = 68,034,428.42 : x
  2. Step 2: Convert to fraction form
    115,037,063.36/158,755,064.54 = 68,034,428.42/x
  3. Step 3: Cross multiply
    115,037,063.36x = 158,755,064.54 × 68,034,428.42
  4. Step 4: Simplify right side
    115,037,063.36x = 10,800,810,074,199,376
  5. Step 5: Solve for x
    x = 10,800,810,074,199,376/115,037,063.36
  6. Step 6: Final answer
    x = 93,889,827.84

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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.