Home / 121,134,286.40-181,701,429.60-40,355,254.40

Finding the Fourth Proportional to 121,134,286.40, 181,701,429.60 and 40,355,254.40

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Solution

The fourth proportional to 121,134,286.40, 181,701,429.60 and 40,355,254.40 is: 60,532,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,134,286.40 : 181,701,429.60 = 40,355,254.40 : x
  2. Step 2: Convert to fraction form
    121,134,286.40/181,701,429.60 = 40,355,254.40/x
  3. Step 3: Cross multiply
    121,134,286.40x = 181,701,429.60 × 40,355,254.40
  4. Step 4: Simplify right side
    121,134,286.40x = 7,332,607,416,351,690
  5. Step 5: Solve for x
    x = 7,332,607,416,351,690/121,134,286.40
  6. Step 6: Final answer
    x = 60,532,881.60

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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.