Home / 165,957,434.70-248,936,152.05-79,863,992.70

Finding the Fourth Proportional to 165,957,434.70, 248,936,152.05 and 79,863,992.70

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Solution

The fourth proportional to 165,957,434.70, 248,936,152.05 and 79,863,992.70 is: 119,795,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,957,434.70 : 248,936,152.05 = 79,863,992.70 : x
  2. Step 2: Convert to fraction form
    165,957,434.70/248,936,152.05 = 79,863,992.70/x
  3. Step 3: Cross multiply
    165,957,434.70x = 248,936,152.05 × 79,863,992.70
  4. Step 4: Simplify right side
    165,957,434.70x = 19,881,035,030,087,292
  5. Step 5: Solve for x
    x = 19,881,035,030,087,292/165,957,434.70
  6. Step 6: Final answer
    x = 119,795,989.05

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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.