Home / 90,870,057-136,305,085.52-27,044,649

Finding the Fourth Proportional to 90,870,057, 136,305,085.52 and 27,044,649

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Solution

The fourth proportional to 90,870,057, 136,305,085.52 and 27,044,649 is: 40,566,973.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,870,057 : 136,305,085.52 = 27,044,649 : x
  2. Step 2: Convert to fraction form
    90,870,057/136,305,085.52 = 27,044,649/x
  3. Step 3: Cross multiply
    90,870,057x = 136,305,085.52 × 27,044,649
  4. Step 4: Simplify right side
    90,870,057x = 3,686,323,194,803,383
  5. Step 5: Solve for x
    x = 3,686,323,194,803,383/90,870,057
  6. Step 6: Final answer
    x = 40,566,973.51

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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.