Home / 205,402,288.31-283,485,580.63-130,055,619.41

Finding the Fourth Proportional to 205,402,288.31, 283,485,580.63 and 130,055,619.41

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Solution

The fourth proportional to 205,402,288.31, 283,485,580.63 and 130,055,619.41 is: 179,496,017.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,402,288.31 : 283,485,580.63 = 130,055,619.41 : x
  2. Step 2: Convert to fraction form
    205,402,288.31/283,485,580.63 = 130,055,619.41/x
  3. Step 3: Cross multiply
    205,402,288.31x = 283,485,580.63 × 130,055,619.41
  4. Step 4: Simplify right side
    205,402,288.31x = 36,868,892,783,021,720
  5. Step 5: Solve for x
    x = 36,868,892,783,021,720/205,402,288.31
  6. Step 6: Final answer
    x = 179,496,017.73

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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.