Home / 207,796,710.36-286,759,796.24-114,981,130.20

Finding the Fourth Proportional to 207,796,710.36, 286,759,796.24 and 114,981,130.20

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Solution

The fourth proportional to 207,796,710.36, 286,759,796.24 and 114,981,130.20 is: 158,674,145.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,796,710.36 : 286,759,796.24 = 114,981,130.20 : x
  2. Step 2: Convert to fraction form
    207,796,710.36/286,759,796.24 = 114,981,130.20/x
  3. Step 3: Cross multiply
    207,796,710.36x = 286,759,796.24 × 114,981,130.20
  4. Step 4: Simplify right side
    207,796,710.36x = 32,971,965,467,596,912
  5. Step 5: Solve for x
    x = 32,971,965,467,596,912/207,796,710.36
  6. Step 6: Final answer
    x = 158,674,145.57

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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.