Home / 245,065,603.80-367,598,405.70-129,990,912.60

Finding the Fourth Proportional to 245,065,603.80, 367,598,405.70 and 129,990,912.60

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Solution

The fourth proportional to 245,065,603.80, 367,598,405.70 and 129,990,912.60 is: 194,986,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,065,603.80 : 367,598,405.70 = 129,990,912.60 : x
  2. Step 2: Convert to fraction form
    245,065,603.80/367,598,405.70 = 129,990,912.60/x
  3. Step 3: Cross multiply
    245,065,603.80x = 367,598,405.70 × 129,990,912.60
  4. Step 4: Simplify right side
    245,065,603.80x = 47,784,452,227,248,040
  5. Step 5: Solve for x
    x = 47,784,452,227,248,040/245,065,603.80
  6. Step 6: Final answer
    x = 194,986,368.90

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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.