Home / 245,065,498.80-367,598,248.20-129,990,807.60

Finding the Fourth Proportional to 245,065,498.80, 367,598,248.20 and 129,990,807.60

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Solution

The fourth proportional to 245,065,498.80, 367,598,248.20 and 129,990,807.60 is: 194,986,211.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,065,498.80 : 367,598,248.20 = 129,990,807.60 : x
  2. Step 2: Convert to fraction form
    245,065,498.80/367,598,248.20 = 129,990,807.60/x
  3. Step 3: Cross multiply
    245,065,498.80x = 367,598,248.20 × 129,990,807.60
  4. Step 4: Simplify right side
    245,065,498.80x = 47,784,393,155,863,240
  5. Step 5: Solve for x
    x = 47,784,393,155,863,240/245,065,498.80
  6. Step 6: Final answer
    x = 194,986,211.40

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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.