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Finding the Fourth Proportional to 307,583,424.90, 461,376,334.34 and 74,413,762.71

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Solution

The fourth proportional to 307,583,424.90, 461,376,334.34 and 74,413,762.71 is: 111,620,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,583,424.90 : 461,376,334.34 = 74,413,762.71 : x
  2. Step 2: Convert to fraction form
    307,583,424.90/461,376,334.34 = 74,413,762.71/x
  3. Step 3: Cross multiply
    307,583,424.90x = 461,376,334.34 × 74,413,762.71
  4. Step 4: Simplify right side
    307,583,424.90x = 34,332,749,063,214,312
  5. Step 5: Solve for x
    x = 34,332,749,063,214,312/307,583,424.90
  6. Step 6: Final answer
    x = 111,620,933.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.