Home / 112,752,661.80-169,128,992.70-55,357,033.80

Finding the Fourth Proportional to 112,752,661.80, 169,128,992.70 and 55,357,033.80

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Solution

The fourth proportional to 112,752,661.80, 169,128,992.70 and 55,357,033.80 is: 83,035,550.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,752,661.80 : 169,128,992.70 = 55,357,033.80 : x
  2. Step 2: Convert to fraction form
    112,752,661.80/169,128,992.70 = 55,357,033.80/x
  3. Step 3: Cross multiply
    112,752,661.80x = 169,128,992.70 × 55,357,033.80
  4. Step 4: Simplify right side
    112,752,661.80x = 9,362,479,365,453,852
  5. Step 5: Solve for x
    x = 9,362,479,365,453,852/112,752,661.80
  6. Step 6: Final answer
    x = 83,035,550.70

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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.