Home / 199,761,905.54-299,636,104.52-70,366,134.08

Finding the Fourth Proportional to 199,761,905.54, 299,636,104.52 and 70,366,134.08

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Solution

The fourth proportional to 199,761,905.54, 299,636,104.52 and 70,366,134.08 is: 105,546,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,761,905.54 : 299,636,104.52 = 70,366,134.08 : x
  2. Step 2: Convert to fraction form
    199,761,905.54/299,636,104.52 = 70,366,134.08/x
  3. Step 3: Cross multiply
    199,761,905.54x = 299,636,104.52 × 70,366,134.08
  4. Step 4: Simplify right side
    199,761,905.54x = 21,084,234,305,863,212
  5. Step 5: Solve for x
    x = 21,084,234,305,863,212/199,761,905.54
  6. Step 6: Final answer
    x = 105,546,822.10

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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.