Home / 245,339,015.40-367,695,927.90-130,378,631.40

Finding the Fourth Proportional to 245,339,015.40, 367,695,927.90 and 130,378,631.40

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Solution

The fourth proportional to 245,339,015.40, 367,695,927.90 and 130,378,631.40 is: 195,401,827.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,339,015.40 : 367,695,927.90 = 130,378,631.40 : x
  2. Step 2: Convert to fraction form
    245,339,015.40/367,695,927.90 = 130,378,631.40/x
  3. Step 3: Cross multiply
    245,339,015.40x = 367,695,927.90 × 130,378,631.40
  4. Step 4: Simplify right side
    245,339,015.40x = 47,939,691,850,955,072
  5. Step 5: Solve for x
    x = 47,939,691,850,955,072/245,339,015.40
  6. Step 6: Final answer
    x = 195,401,827.03

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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.