Home / 74,915,786.64-103,370,554.16-41,865,470.86

Finding the Fourth Proportional to 74,915,786.64, 103,370,554.16 and 41,865,470.86

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Solution

The fourth proportional to 74,915,786.64, 103,370,554.16 and 41,865,470.86 is: 57,766,955.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,915,786.64 : 103,370,554.16 = 41,865,470.86 : x
  2. Step 2: Convert to fraction form
    74,915,786.64/103,370,554.16 = 41,865,470.86/x
  3. Step 3: Cross multiply
    74,915,786.64x = 103,370,554.16 × 41,865,470.86
  4. Step 4: Simplify right side
    74,915,786.64x = 4,327,656,922,967,531.50
  5. Step 5: Solve for x
    x = 4,327,656,922,967,531.50/74,915,786.64
  6. Step 6: Final answer
    x = 57,766,955.63

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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.