Home / 57,130,081.20-85,683,967.05-18,258,106.05

Finding the Fourth Proportional to 57,130,081.20, 85,683,967.05 and 18,258,106.05

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Solution

The fourth proportional to 57,130,081.20, 85,683,967.05 and 18,258,106.05 is: 27,383,594.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,130,081.20 : 85,683,967.05 = 18,258,106.05 : x
  2. Step 2: Convert to fraction form
    57,130,081.20/85,683,967.05 = 18,258,106.05/x
  3. Step 3: Cross multiply
    57,130,081.20x = 85,683,967.05 × 18,258,106.05
  4. Step 4: Simplify right side
    57,130,081.20x = 1,564,426,957,183,605.75
  5. Step 5: Solve for x
    x = 1,564,426,957,183,605.75/57,130,081.20
  6. Step 6: Final answer
    x = 27,383,594.15

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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.