Home / 205,311,381.25-283,259,955.40-117,142,038.85

Finding the Fourth Proportional to 205,311,381.25, 283,259,955.40 and 117,142,038.85

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Solution

The fourth proportional to 205,311,381.25, 283,259,955.40 and 117,142,038.85 is: 161,616,216.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,311,381.25 : 283,259,955.40 = 117,142,038.85 : x
  2. Step 2: Convert to fraction form
    205,311,381.25/283,259,955.40 = 117,142,038.85/x
  3. Step 3: Cross multiply
    205,311,381.25x = 283,259,955.40 × 117,142,038.85
  4. Step 4: Simplify right side
    205,311,381.25x = 33,181,648,700,116,064
  5. Step 5: Solve for x
    x = 33,181,648,700,116,064/205,311,381.25
  6. Step 6: Final answer
    x = 161,616,216.78

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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.