Home / 106,956,133.80-160,434,200.70-99,728,536.20

Finding the Fourth Proportional to 106,956,133.80, 160,434,200.70 and 99,728,536.20

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Solution

The fourth proportional to 106,956,133.80, 160,434,200.70 and 99,728,536.20 is: 149,592,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,956,133.80 : 160,434,200.70 = 99,728,536.20 : x
  2. Step 2: Convert to fraction form
    106,956,133.80/160,434,200.70 = 99,728,536.20/x
  3. Step 3: Cross multiply
    106,956,133.80x = 160,434,200.70 × 99,728,536.20
  4. Step 4: Simplify right side
    106,956,133.80x = 15,999,867,992,228,014
  5. Step 5: Solve for x
    x = 15,999,867,992,228,014/106,956,133.80
  6. Step 6: Final answer
    x = 149,592,804.30

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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.