Home / 68,752,680,896.52-103,128,997,071.84-18,386,805,661.83

Finding the Fourth Proportional to 68,752,680,896.52, 103,128,997,071.84 and 18,386,805,661.83

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Solution

The fourth proportional to 68,752,680,896.52, 103,128,997,071.84 and 18,386,805,661.83 is: 27,580,202,001.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,752,680,896.52 : 103,128,997,071.84 = 18,386,805,661.83 : x
  2. Step 2: Convert to fraction form
    68,752,680,896.52/103,128,997,071.84 = 18,386,805,661.83/x
  3. Step 3: Cross multiply
    68,752,680,896.52x = 103,128,997,071.84 × 18,386,805,661.83
  4. Step 4: Simplify right side
    68,752,680,896.52x = 1,896,212,827,259,357,364,224
  5. Step 5: Solve for x
    x = 1,896,212,827,259,357,364,224/68,752,680,896.52
  6. Step 6: Final answer
    x = 27,580,202,001.34

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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.