Home / 121,134,245.40-181,701,368.10-40,355,213.40

Finding the Fourth Proportional to 121,134,245.40, 181,701,368.10 and 40,355,213.40

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Solution

The fourth proportional to 121,134,245.40, 181,701,368.10 and 40,355,213.40 is: 60,532,820.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,134,245.40 : 181,701,368.10 = 40,355,213.40 : x
  2. Step 2: Convert to fraction form
    121,134,245.40/181,701,368.10 = 40,355,213.40/x
  3. Step 3: Cross multiply
    121,134,245.40x = 181,701,368.10 × 40,355,213.40
  4. Step 4: Simplify right side
    121,134,245.40x = 7,332,597,484,747,452
  5. Step 5: Solve for x
    x = 7,332,597,484,747,452/121,134,245.40
  6. Step 6: Final answer
    x = 60,532,820.10

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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.