Home / 90,010,236.52-124,214,722.74-48,757,128.52

Finding the Fourth Proportional to 90,010,236.52, 124,214,722.74 and 48,757,128.52

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Solution

The fourth proportional to 90,010,236.52, 124,214,722.74 and 48,757,128.52 is: 67,285,160.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,010,236.52 : 124,214,722.74 = 48,757,128.52 : x
  2. Step 2: Convert to fraction form
    90,010,236.52/124,214,722.74 = 48,757,128.52/x
  3. Step 3: Cross multiply
    90,010,236.52x = 124,214,722.74 × 48,757,128.52
  4. Step 4: Simplify right side
    90,010,236.52x = 6,056,353,200,710,347
  5. Step 5: Solve for x
    x = 6,056,353,200,710,347/90,010,236.52
  6. Step 6: Final answer
    x = 67,285,160.39

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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.