Home / 107,837,603.80-161,756,405.70-31,163,133.40

Finding the Fourth Proportional to 107,837,603.80, 161,756,405.70 and 31,163,133.40

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Solution

The fourth proportional to 107,837,603.80, 161,756,405.70 and 31,163,133.40 is: 46,744,700.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,837,603.80 : 161,756,405.70 = 31,163,133.40 : x
  2. Step 2: Convert to fraction form
    107,837,603.80/161,756,405.70 = 31,163,133.40/x
  3. Step 3: Cross multiply
    107,837,603.80x = 161,756,405.70 × 31,163,133.40
  4. Step 4: Simplify right side
    107,837,603.80x = 5,040,836,449,133,620
  5. Step 5: Solve for x
    x = 5,040,836,449,133,620/107,837,603.80
  6. Step 6: Final answer
    x = 46,744,700.10

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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.