Home / 70,389,892.59-105,448,647.66-39,590,893.73

Finding the Fourth Proportional to 70,389,892.59, 105,448,647.66 and 39,590,893.73

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Solution

The fourth proportional to 70,389,892.59, 105,448,647.66 and 39,590,893.73 is: 59,309,739.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,389,892.59 : 105,448,647.66 = 39,590,893.73 : x
  2. Step 2: Convert to fraction form
    70,389,892.59/105,448,647.66 = 39,590,893.73/x
  3. Step 3: Cross multiply
    70,389,892.59x = 105,448,647.66 × 39,590,893.73
  4. Step 4: Simplify right side
    70,389,892.59x = 4,174,806,203,594,429
  5. Step 5: Solve for x
    x = 4,174,806,203,594,429/70,389,892.59
  6. Step 6: Final answer
    x = 59,309,739.65

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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.