Home / 103,602,835.12-142,972,369.12-57,193,470.40

Finding the Fourth Proportional to 103,602,835.12, 142,972,369.12 and 57,193,470.40

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Solution

The fourth proportional to 103,602,835.12, 142,972,369.12 and 57,193,470.40 is: 78,927,241.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,602,835.12 : 142,972,369.12 = 57,193,470.40 : x
  2. Step 2: Convert to fraction form
    103,602,835.12/142,972,369.12 = 57,193,470.40/x
  3. Step 3: Cross multiply
    103,602,835.12x = 142,972,369.12 × 57,193,470.40
  4. Step 4: Simplify right side
    103,602,835.12x = 8,177,085,961,505,194
  5. Step 5: Solve for x
    x = 8,177,085,961,505,194/103,602,835.12
  6. Step 6: Final answer
    x = 78,927,241.25

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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.