Home / 60,632,154.40-90,949,009.20-20,242,638.40

Finding the Fourth Proportional to 60,632,154.40, 90,949,009.20 and 20,242,638.40

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Solution

The fourth proportional to 60,632,154.40, 90,949,009.20 and 20,242,638.40 is: 30,364,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,632,154.40 : 90,949,009.20 = 20,242,638.40 : x
  2. Step 2: Convert to fraction form
    60,632,154.40/90,949,009.20 = 20,242,638.40/x
  3. Step 3: Cross multiply
    60,632,154.40x = 90,949,009.20 × 20,242,638.40
  4. Step 4: Simplify right side
    60,632,154.40x = 1,841,047,906,073,873.25
  5. Step 5: Solve for x
    x = 1,841,047,906,073,873.25/60,632,154.40
  6. Step 6: Final answer
    x = 30,364,217.21

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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.