Home / 213,664,736.77-294,888,303.69-123,120,612.06

Finding the Fourth Proportional to 213,664,736.77, 294,888,303.69 and 123,120,612.06

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Solution

The fourth proportional to 213,664,736.77, 294,888,303.69 and 123,120,612.06 is: 169,924,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,664,736.77 : 294,888,303.69 = 123,120,612.06 : x
  2. Step 2: Convert to fraction form
    213,664,736.77/294,888,303.69 = 123,120,612.06/x
  3. Step 3: Cross multiply
    213,664,736.77x = 294,888,303.69 × 123,120,612.06
  4. Step 4: Simplify right side
    213,664,736.77x = 36,306,828,438,772,360
  5. Step 5: Solve for x
    x = 36,306,828,438,772,360/213,664,736.77
  6. Step 6: Final answer
    x = 169,924,288.80

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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.