Home / 74,642,986.80-103,007,799.95-41,605,330.79

Finding the Fourth Proportional to 74,642,986.80, 103,007,799.95 and 41,605,330.79

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Solution

The fourth proportional to 74,642,986.80, 103,007,799.95 and 41,605,330.79 is: 57,415,623.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,642,986.80 : 103,007,799.95 = 41,605,330.79 : x
  2. Step 2: Convert to fraction form
    74,642,986.80/103,007,799.95 = 41,605,330.79/x
  3. Step 3: Cross multiply
    74,642,986.80x = 103,007,799.95 × 41,605,330.79
  4. Step 4: Simplify right side
    74,642,986.80x = 4,285,673,590,919,387.50
  5. Step 5: Solve for x
    x = 4,285,673,590,919,387.50/74,642,986.80
  6. Step 6: Final answer
    x = 57,415,623.02

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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.