Home / 35,509,212,712.44-53,189,698,970.52-21,299,112,809.10

Finding the Fourth Proportional to 35,509,212,712.44, 53,189,698,970.52 and 21,299,112,809.10

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Solution

The fourth proportional to 35,509,212,712.44, 53,189,698,970.52 and 21,299,112,809.10 is: 31,904,210,544.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,509,212,712.44 : 53,189,698,970.52 = 21,299,112,809.10 : x
  2. Step 2: Convert to fraction form
    35,509,212,712.44/53,189,698,970.52 = 21,299,112,809.10/x
  3. Step 3: Cross multiply
    35,509,212,712.44x = 53,189,698,970.52 × 21,299,112,809.10
  4. Step 4: Simplify right side
    35,509,212,712.44x = 1,132,893,398,655,175,491,584
  5. Step 5: Solve for x
    x = 1,132,893,398,655,175,491,584/35,509,212,712.44
  6. Step 6: Final answer
    x = 31,904,210,544.73

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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.