Home / 404,349,465.16-606,525,974.60-128,002,036.84

Finding the Fourth Proportional to 404,349,465.16, 606,525,974.60 and 128,002,036.84

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Solution

The fourth proportional to 404,349,465.16, 606,525,974.60 and 128,002,036.84 is: 192,003,617.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,349,465.16 : 606,525,974.60 = 128,002,036.84 : x
  2. Step 2: Convert to fraction form
    404,349,465.16/606,525,974.60 = 128,002,036.84/x
  3. Step 3: Cross multiply
    404,349,465.16x = 606,525,974.60 × 128,002,036.84
  4. Step 4: Simplify right side
    404,349,465.16x = 77,636,560,145,166,112
  5. Step 5: Solve for x
    x = 77,636,560,145,166,112/404,349,465.16
  6. Step 6: Final answer
    x = 192,003,617.75

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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.