Home / 245,339,018.40-367,695,932.40-130,378,634.40

Finding the Fourth Proportional to 245,339,018.40, 367,695,932.40 and 130,378,634.40

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Solution

The fourth proportional to 245,339,018.40, 367,695,932.40 and 130,378,634.40 is: 195,401,831.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,339,018.40 : 367,695,932.40 = 130,378,634.40 : x
  2. Step 2: Convert to fraction form
    245,339,018.40/367,695,932.40 = 130,378,634.40/x
  3. Step 3: Cross multiply
    245,339,018.40x = 367,695,932.40 × 130,378,634.40
  4. Step 4: Simplify right side
    245,339,018.40x = 47,939,693,540,746,712
  5. Step 5: Solve for x
    x = 47,939,693,540,746,712/245,339,018.40
  6. Step 6: Final answer
    x = 195,401,831.53

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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.