Home / 55,313,122.70-83,019,875.70-28,038,389.60

Finding the Fourth Proportional to 55,313,122.70, 83,019,875.70 and 28,038,389.60

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Solution

The fourth proportional to 55,313,122.70, 83,019,875.70 and 28,038,389.60 is: 42,083,026.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,313,122.70 : 83,019,875.70 = 28,038,389.60 : x
  2. Step 2: Convert to fraction form
    55,313,122.70/83,019,875.70 = 28,038,389.60/x
  3. Step 3: Cross multiply
    55,313,122.70x = 83,019,875.70 × 28,038,389.60
  4. Step 4: Simplify right side
    55,313,122.70x = 2,327,743,619,420,173
  5. Step 5: Solve for x
    x = 2,327,743,619,420,173/55,313,122.70
  6. Step 6: Final answer
    x = 42,083,026.70

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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.