Home / 74,729,513.51-103,126,772.58-41,689,762.80

Finding the Fourth Proportional to 74,729,513.51, 103,126,772.58 and 41,689,762.80

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Solution

The fourth proportional to 74,729,513.51, 103,126,772.58 and 41,689,762.80 is: 57,531,897.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,729,513.51 : 103,126,772.58 = 41,689,762.80 : x
  2. Step 2: Convert to fraction form
    74,729,513.51/103,126,772.58 = 41,689,762.80/x
  3. Step 3: Cross multiply
    74,729,513.51x = 103,126,772.58 × 41,689,762.80
  4. Step 4: Simplify right side
    74,729,513.51x = 4,299,330,687,751,162.50
  5. Step 5: Solve for x
    x = 4,299,330,687,751,162.50/74,729,513.51
  6. Step 6: Final answer
    x = 57,531,897.18

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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.