Home / 155,554,042.77-214,662,073.52-84,988,137.26

Finding the Fourth Proportional to 155,554,042.77, 214,662,073.52 and 84,988,137.26

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Solution

The fourth proportional to 155,554,042.77, 214,662,073.52 and 84,988,137.26 is: 117,282,260.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,554,042.77 : 214,662,073.52 = 84,988,137.26 : x
  2. Step 2: Convert to fraction form
    155,554,042.77/214,662,073.52 = 84,988,137.26/x
  3. Step 3: Cross multiply
    155,554,042.77x = 214,662,073.52 × 84,988,137.26
  4. Step 4: Simplify right side
    155,554,042.77x = 18,243,729,769,583,100
  5. Step 5: Solve for x
    x = 18,243,729,769,583,100/155,554,042.77
  6. Step 6: Final answer
    x = 117,282,260.52

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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.