Home / 81,407,263.95-122,115,550.79-23,110,382.06

Finding the Fourth Proportional to 81,407,263.95, 122,115,550.79 and 23,110,382.06

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Solution

The fourth proportional to 81,407,263.95, 122,115,550.79 and 23,110,382.06 is: 34,666,894.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,407,263.95 : 122,115,550.79 = 23,110,382.06 : x
  2. Step 2: Convert to fraction form
    81,407,263.95/122,115,550.79 = 23,110,382.06/x
  3. Step 3: Cross multiply
    81,407,263.95x = 122,115,550.79 × 23,110,382.06
  4. Step 4: Simplify right side
    81,407,263.95x = 2,822,137,034,129,366.50
  5. Step 5: Solve for x
    x = 2,822,137,034,129,366.50/81,407,263.95
  6. Step 6: Final answer
    x = 34,666,894.54

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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.