Home / 74,135,242.49-102,307,466.85-42,349,621.62

Finding the Fourth Proportional to 74,135,242.49, 102,307,466.85 and 42,349,621.62

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Solution

The fourth proportional to 74,135,242.49, 102,307,466.85 and 42,349,621.62 is: 58,442,953.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,135,242.49 : 102,307,466.85 = 42,349,621.62 : x
  2. Step 2: Convert to fraction form
    74,135,242.49/102,307,466.85 = 42,349,621.62/x
  3. Step 3: Cross multiply
    74,135,242.49x = 102,307,466.85 × 42,349,621.62
  4. Step 4: Simplify right side
    74,135,242.49x = 4,332,682,509,998,193
  5. Step 5: Solve for x
    x = 4,332,682,509,998,193/74,135,242.49
  6. Step 6: Final answer
    x = 58,442,953.24

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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.