Home / 40,401,423.40-60,602,135.10-20,199,375.40

Finding the Fourth Proportional to 40,401,423.40, 60,602,135.10 and 20,199,375.40

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Solution

The fourth proportional to 40,401,423.40, 60,602,135.10 and 20,199,375.40 is: 30,299,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,401,423.40 : 60,602,135.10 = 20,199,375.40 : x
  2. Step 2: Convert to fraction form
    40,401,423.40/60,602,135.10 = 20,199,375.40/x
  3. Step 3: Cross multiply
    40,401,423.40x = 60,602,135.10 × 20,199,375.40
  4. Step 4: Simplify right side
    40,401,423.40x = 1,224,125,276,926,416.50
  5. Step 5: Solve for x
    x = 1,224,125,276,926,416.50/40,401,423.40
  6. Step 6: Final answer
    x = 30,299,063.10

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1.5x scale

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.