Home / 74,429,791.63-102,698,060.84-43,483,982.20

Finding the Fourth Proportional to 74,429,791.63, 102,698,060.84 and 43,483,982.20

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Solution

The fourth proportional to 74,429,791.63, 102,698,060.84 and 43,483,982.20 is: 59,999,101.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,429,791.63 : 102,698,060.84 = 43,483,982.20 : x
  2. Step 2: Convert to fraction form
    74,429,791.63/102,698,060.84 = 43,483,982.20/x
  3. Step 3: Cross multiply
    74,429,791.63x = 102,698,060.84 × 43,483,982.20
  4. Step 4: Simplify right side
    74,429,791.63x = 4,465,720,649,541,077.50
  5. Step 5: Solve for x
    x = 4,465,720,649,541,077.50/74,429,791.63
  6. Step 6: Final answer
    x = 59,999,101.86

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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.