Home / 40,401,432.40-60,602,148.60-20,199,384.40

Finding the Fourth Proportional to 40,401,432.40, 60,602,148.60 and 20,199,384.40

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Solution

The fourth proportional to 40,401,432.40, 60,602,148.60 and 20,199,384.40 is: 30,299,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,401,432.40 : 60,602,148.60 = 20,199,384.40 : x
  2. Step 2: Convert to fraction form
    40,401,432.40/60,602,148.60 = 20,199,384.40/x
  3. Step 3: Cross multiply
    40,401,432.40x = 60,602,148.60 × 20,199,384.40
  4. Step 4: Simplify right side
    40,401,432.40x = 1,224,126,095,037,321.75
  5. Step 5: Solve for x
    x = 1,224,126,095,037,321.75/40,401,432.40
  6. Step 6: Final answer
    x = 30,299,076.60

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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.