Home / 121,945,123.04-182,953,617.18-49,124,431.04

Finding the Fourth Proportional to 121,945,123.04, 182,953,617.18 and 49,124,431.04

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Solution

The fourth proportional to 121,945,123.04, 182,953,617.18 and 49,124,431.04 is: 73,701,121.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,945,123.04 : 182,953,617.18 = 49,124,431.04 : x
  2. Step 2: Convert to fraction form
    121,945,123.04/182,953,617.18 = 49,124,431.04/x
  3. Step 3: Cross multiply
    121,945,123.04x = 182,953,617.18 × 49,124,431.04
  4. Step 4: Simplify right side
    121,945,123.04x = 8,987,492,350,677,469
  5. Step 5: Solve for x
    x = 8,987,492,350,677,469/121,945,123.04
  6. Step 6: Final answer
    x = 73,701,121.67

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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.