Home / 77,432,410.89-116,149,848.08-43,106,986.82

Finding the Fourth Proportional to 77,432,410.89, 116,149,848.08 and 43,106,986.82

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Solution

The fourth proportional to 77,432,410.89, 116,149,848.08 and 43,106,986.82 is: 64,661,165.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,432,410.89 : 116,149,848.08 = 43,106,986.82 : x
  2. Step 2: Convert to fraction form
    77,432,410.89/116,149,848.08 = 43,106,986.82/x
  3. Step 3: Cross multiply
    77,432,410.89x = 116,149,848.08 × 43,106,986.82
  4. Step 4: Simplify right side
    77,432,410.89x = 5,006,869,970,404,402
  5. Step 5: Solve for x
    x = 5,006,869,970,404,402/77,432,410.89
  6. Step 6: Final answer
    x = 64,661,165.95

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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.