Home / 245,340,305.40-367,697,862.90-130,379,921.40

Finding the Fourth Proportional to 245,340,305.40, 367,697,862.90 and 130,379,921.40

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Solution

The fourth proportional to 245,340,305.40, 367,697,862.90 and 130,379,921.40 is: 195,403,761.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,340,305.40 : 367,697,862.90 = 130,379,921.40 : x
  2. Step 2: Convert to fraction form
    245,340,305.40/367,697,862.90 = 130,379,921.40/x
  3. Step 3: Cross multiply
    245,340,305.40x = 367,697,862.90 × 130,379,921.40
  4. Step 4: Simplify right side
    245,340,305.40x = 47,940,418,463,849,976
  5. Step 5: Solve for x
    x = 47,940,418,463,849,976/245,340,305.40
  6. Step 6: Final answer
    x = 195,403,761.26

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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.