Home / 147,603,048.27-203,657,816.48-85,686,628.83

Finding the Fourth Proportional to 147,603,048.27, 203,657,816.48 and 85,686,628.83

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Solution

The fourth proportional to 147,603,048.27, 203,657,816.48 and 85,686,628.83 is: 118,227,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,603,048.27 : 203,657,816.48 = 85,686,628.83 : x
  2. Step 2: Convert to fraction form
    147,603,048.27/203,657,816.48 = 85,686,628.83/x
  3. Step 3: Cross multiply
    147,603,048.27x = 203,657,816.48 × 85,686,628.83
  4. Step 4: Simplify right side
    147,603,048.27x = 17,450,751,728,621,584
  5. Step 5: Solve for x
    x = 17,450,751,728,621,584/147,603,048.27
  6. Step 6: Final answer
    x = 118,227,583.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.