Home / 74,178,374.19-102,372,284.55-41,149,272.30

Finding the Fourth Proportional to 74,178,374.19, 102,372,284.55 and 41,149,272.30

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Solution

The fourth proportional to 74,178,374.19, 102,372,284.55 and 41,149,272.30 is: 56,789,395.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,178,374.19 : 102,372,284.55 = 41,149,272.30 : x
  2. Step 2: Convert to fraction form
    74,178,374.19/102,372,284.55 = 41,149,272.30/x
  3. Step 3: Cross multiply
    74,178,374.19x = 102,372,284.55 × 41,149,272.30
  4. Step 4: Simplify right side
    74,178,374.19x = 4,212,545,013,407,802
  5. Step 5: Solve for x
    x = 4,212,545,013,407,802/74,178,374.19
  6. Step 6: Final answer
    x = 56,789,395.28

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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.