Home / 245,339,370.40-367,696,460.40-130,378,986.40

Finding the Fourth Proportional to 245,339,370.40, 367,696,460.40 and 130,378,986.40

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Solution

The fourth proportional to 245,339,370.40, 367,696,460.40 and 130,378,986.40 is: 195,402,359.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,339,370.40 : 367,696,460.40 = 130,378,986.40 : x
  2. Step 2: Convert to fraction form
    245,339,370.40/367,696,460.40 = 130,378,986.40/x
  3. Step 3: Cross multiply
    245,339,370.40x = 367,696,460.40 × 130,378,986.40
  4. Step 4: Simplify right side
    245,339,370.40x = 47,939,891,809,819,736
  5. Step 5: Solve for x
    x = 47,939,891,809,819,736/245,339,370.40
  6. Step 6: Final answer
    x = 195,402,359.32

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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.