Home / 39,670,450.96-59,478,510.64-20,201,991.68

Finding the Fourth Proportional to 39,670,450.96, 59,478,510.64 and 20,201,991.68

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Solution

The fourth proportional to 39,670,450.96, 59,478,510.64 and 20,201,991.68 is: 30,289,153.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,670,450.96 : 59,478,510.64 = 20,201,991.68 : x
  2. Step 2: Convert to fraction form
    39,670,450.96/59,478,510.64 = 20,201,991.68/x
  3. Step 3: Cross multiply
    39,670,450.96x = 59,478,510.64 × 20,201,991.68
  4. Step 4: Simplify right side
    39,670,450.96x = 1,201,584,377,088,071.50
  5. Step 5: Solve for x
    x = 1,201,584,377,088,071.50/39,670,450.96
  6. Step 6: Final answer
    x = 30,289,153.46

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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.