Home / 60,552,115.80-90,842,637.08-20,162,949.72

Finding the Fourth Proportional to 60,552,115.80, 90,842,637.08 and 20,162,949.72

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Solution

The fourth proportional to 60,552,115.80, 90,842,637.08 and 20,162,949.72 is: 30,249,240.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,552,115.80 : 90,842,637.08 = 20,162,949.72 : x
  2. Step 2: Convert to fraction form
    60,552,115.80/90,842,637.08 = 20,162,949.72/x
  3. Step 3: Cross multiply
    60,552,115.80x = 90,842,637.08 × 20,162,949.72
  4. Step 4: Simplify right side
    60,552,115.80x = 1,831,655,523,876,247.50
  5. Step 5: Solve for x
    x = 1,831,655,523,876,247.50/60,552,115.80
  6. Step 6: Final answer
    x = 30,249,240.67

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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.