Home / 105,101,004.21-145,036,574.68-58,057,065.21

Finding the Fourth Proportional to 105,101,004.21, 145,036,574.68 and 58,057,065.21

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Solution

The fourth proportional to 105,101,004.21, 145,036,574.68 and 58,057,065.21 is: 80,117,197.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,101,004.21 : 145,036,574.68 = 58,057,065.21 : x
  2. Step 2: Convert to fraction form
    105,101,004.21/145,036,574.68 = 58,057,065.21/x
  3. Step 3: Cross multiply
    105,101,004.21x = 145,036,574.68 × 58,057,065.21
  4. Step 4: Simplify right side
    105,101,004.21x = 8,420,397,874,274,303
  5. Step 5: Solve for x
    x = 8,420,397,874,274,303/105,101,004.21
  6. Step 6: Final answer
    x = 80,117,197.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.