Home / 152,451,459,936.96-210,388,819,187.52-84,790,942,733.76

Finding the Fourth Proportional to 152,451,459,936.96, 210,388,819,187.52 and 84,790,942,733.76

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Solution

The fourth proportional to 152,451,459,936.96, 210,388,819,187.52 and 84,790,942,733.76 is: 117,014,729,323.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,451,459,936.96 : 210,388,819,187.52 = 84,790,942,733.76 : x
  2. Step 2: Convert to fraction form
    152,451,459,936.96/210,388,819,187.52 = 84,790,942,733.76/x
  3. Step 3: Cross multiply
    152,451,459,936.96x = 210,388,819,187.52 × 84,790,942,733.76
  4. Step 4: Simplify right side
    152,451,459,936.96x = 17,839,066,319,552,392,462,336
  5. Step 5: Solve for x
    x = 17,839,066,319,552,392,462,336/152,451,459,936.96
  6. Step 6: Final answer
    x = 117,014,729,323.87

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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.