Home / 55,789,355.02-83,684,867.36-21,247,664.48

Finding the Fourth Proportional to 55,789,355.02, 83,684,867.36 and 21,247,664.48

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Solution

The fourth proportional to 55,789,355.02, 83,684,867.36 and 21,247,664.48 is: 31,871,814.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,789,355.02 : 83,684,867.36 = 21,247,664.48 : x
  2. Step 2: Convert to fraction form
    55,789,355.02/83,684,867.36 = 21,247,664.48/x
  3. Step 3: Cross multiply
    55,789,355.02x = 83,684,867.36 × 21,247,664.48
  4. Step 4: Simplify right side
    55,789,355.02x = 1,778,107,983,718,583.50
  5. Step 5: Solve for x
    x = 1,778,107,983,718,583.50/55,789,355.02
  6. Step 6: Final answer
    x = 31,871,814.67

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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.