Home / 200,531,904,359.36-300,734,039,725.80-66,201,382,966.28

Finding the Fourth Proportional to 200,531,904,359.36, 300,734,039,725.80 and 66,201,382,966.28

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Solution

The fourth proportional to 200,531,904,359.36, 300,734,039,725.80 and 66,201,382,966.28 is: 99,281,006,673.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,531,904,359.36 : 300,734,039,725.80 = 66,201,382,966.28 : x
  2. Step 2: Convert to fraction form
    200,531,904,359.36/300,734,039,725.80 = 66,201,382,966.28/x
  3. Step 3: Cross multiply
    200,531,904,359.36x = 300,734,039,725.80 × 66,201,382,966.28
  4. Step 4: Simplify right side
    200,531,904,359.36x = 19,909,009,334,884,146,085,888
  5. Step 5: Solve for x
    x = 19,909,009,334,884,146,085,888/200,531,904,359.36
  6. Step 6: Final answer
    x = 99,281,006,673.17

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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.