Home / 220,048,437.51-330,083,620.47-83,744,385.03

Finding the Fourth Proportional to 220,048,437.51, 330,083,620.47 and 83,744,385.03

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Solution

The fourth proportional to 220,048,437.51, 330,083,620.47 and 83,744,385.03 is: 125,620,750.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,048,437.51 : 330,083,620.47 = 83,744,385.03 : x
  2. Step 2: Convert to fraction form
    220,048,437.51/330,083,620.47 = 83,744,385.03/x
  3. Step 3: Cross multiply
    220,048,437.51x = 330,083,620.47 × 83,744,385.03
  4. Step 4: Simplify right side
    220,048,437.51x = 27,642,649,804,736,072
  5. Step 5: Solve for x
    x = 27,642,649,804,736,072/220,048,437.51
  6. Step 6: Final answer
    x = 125,620,750.22

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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.