Home / 77,458,379.49-116,168,207.00-22,860,128.61

Finding the Fourth Proportional to 77,458,379.49, 116,168,207.00 and 22,860,128.61

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Solution

The fourth proportional to 77,458,379.49, 116,168,207.00 and 22,860,128.61 is: 34,284,478.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,458,379.49 : 116,168,207.00 = 22,860,128.61 : x
  2. Step 2: Convert to fraction form
    77,458,379.49/116,168,207.00 = 22,860,128.61/x
  3. Step 3: Cross multiply
    77,458,379.49x = 116,168,207.00 × 22,860,128.61
  4. Step 4: Simplify right side
    77,458,379.49x = 2,655,620,152,298,801.50
  5. Step 5: Solve for x
    x = 2,655,620,152,298,801.50/77,458,379.49
  6. Step 6: Final answer
    x = 34,284,478.58

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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.