Home / 90,870,039-136,305,058.50-27,044,631

Finding the Fourth Proportional to 90,870,039, 136,305,058.50 and 27,044,631

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Solution

The fourth proportional to 90,870,039, 136,305,058.50 and 27,044,631 is: 40,566,946.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,870,039 : 136,305,058.50 = 27,044,631 : x
  2. Step 2: Convert to fraction form
    90,870,039/136,305,058.50 = 27,044,631/x
  3. Step 3: Cross multiply
    90,870,039x = 136,305,058.50 × 27,044,631
  4. Step 4: Simplify right side
    90,870,039x = 3,686,320,010,565,913.50
  5. Step 5: Solve for x
    x = 3,686,320,010,565,913.50/90,870,039
  6. Step 6: Final answer
    x = 40,566,946.50

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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.