Home / 55,789,328.66-83,684,827.76-21,247,638.08

Finding the Fourth Proportional to 55,789,328.66, 83,684,827.76 and 21,247,638.08

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Solution

The fourth proportional to 55,789,328.66, 83,684,827.76 and 21,247,638.08 is: 31,871,775.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,789,328.66 : 83,684,827.76 = 21,247,638.08 : x
  2. Step 2: Convert to fraction form
    55,789,328.66/83,684,827.76 = 21,247,638.08/x
  3. Step 3: Cross multiply
    55,789,328.66x = 83,684,827.76 × 21,247,638.08
  4. Step 4: Simplify right side
    55,789,328.66x = 1,778,104,932,506,954.50
  5. Step 5: Solve for x
    x = 1,778,104,932,506,954.50/55,789,328.66
  6. Step 6: Final answer
    x = 31,871,775.04

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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.