Home / 122,774,689.80-184,162,034.70-74,227,554.45

Finding the Fourth Proportional to 122,774,689.80, 184,162,034.70 and 74,227,554.45

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Solution

The fourth proportional to 122,774,689.80, 184,162,034.70 and 74,227,554.45 is: 111,341,331.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,774,689.80 : 184,162,034.70 = 74,227,554.45 : x
  2. Step 2: Convert to fraction form
    122,774,689.80/184,162,034.70 = 74,227,554.45/x
  3. Step 3: Cross multiply
    122,774,689.80x = 184,162,034.70 × 74,227,554.45
  4. Step 4: Simplify right side
    122,774,689.80x = 13,669,897,458,317,040
  5. Step 5: Solve for x
    x = 13,669,897,458,317,040/122,774,689.80
  6. Step 6: Final answer
    x = 111,341,331.68

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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.