Home / 215,975,604.29-323,808,661.14-91,486,621.67

Finding the Fourth Proportional to 215,975,604.29, 323,808,661.14 and 91,486,621.67

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Solution

The fourth proportional to 215,975,604.29, 323,808,661.14 and 91,486,621.67 is: 137,164,382.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,975,604.29 : 323,808,661.14 = 91,486,621.67 : x
  2. Step 2: Convert to fraction form
    215,975,604.29/323,808,661.14 = 91,486,621.67/x
  3. Step 3: Cross multiply
    215,975,604.29x = 323,808,661.14 × 91,486,621.67
  4. Step 4: Simplify right side
    215,975,604.29x = 29,624,160,473,736,452
  5. Step 5: Solve for x
    x = 29,624,160,473,736,452/215,975,604.29
  6. Step 6: Final answer
    x = 137,164,382.86

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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.