Home / 200,831,703.93-301,110,029.40-102,272,628.21

Finding the Fourth Proportional to 200,831,703.93, 301,110,029.40 and 102,272,628.21

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Solution

The fourth proportional to 200,831,703.93, 301,110,029.40 and 102,272,628.21 is: 153,338,907.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,831,703.93 : 301,110,029.40 = 102,272,628.21 : x
  2. Step 2: Convert to fraction form
    200,831,703.93/301,110,029.40 = 102,272,628.21/x
  3. Step 3: Cross multiply
    200,831,703.93x = 301,110,029.40 × 102,272,628.21
  4. Step 4: Simplify right side
    200,831,703.93x = 30,795,314,087,128,364
  5. Step 5: Solve for x
    x = 30,795,314,087,128,364/200,831,703.93
  6. Step 6: Final answer
    x = 153,338,907.58

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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.