Home / 105,997,929.51-158,996,949.74-33,220,378.40

Finding the Fourth Proportional to 105,997,929.51, 158,996,949.74 and 33,220,378.40

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Solution

The fourth proportional to 105,997,929.51, 158,996,949.74 and 33,220,378.40 is: 49,830,584.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,997,929.51 : 158,996,949.74 = 33,220,378.40 : x
  2. Step 2: Convert to fraction form
    105,997,929.51/158,996,949.74 = 33,220,378.40/x
  3. Step 3: Cross multiply
    105,997,929.51x = 158,996,949.74 × 33,220,378.40
  4. Step 4: Simplify right side
    105,997,929.51x = 5,281,938,833,972,072
  5. Step 5: Solve for x
    x = 5,281,938,833,972,072/105,997,929.51
  6. Step 6: Final answer
    x = 49,830,584.98

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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.