Home / 201,351,784.45-277,708,047.24-130,810,123.05

Finding the Fourth Proportional to 201,351,784.45, 277,708,047.24 and 130,810,123.05

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Solution

The fourth proportional to 201,351,784.45, 277,708,047.24 and 130,810,123.05 is: 180,415,703.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,351,784.45 : 277,708,047.24 = 130,810,123.05 : x
  2. Step 2: Convert to fraction form
    201,351,784.45/277,708,047.24 = 130,810,123.05/x
  3. Step 3: Cross multiply
    201,351,784.45x = 277,708,047.24 × 130,810,123.05
  4. Step 4: Simplify right side
    201,351,784.45x = 36,327,023,831,439,616
  5. Step 5: Solve for x
    x = 36,327,023,831,439,616/201,351,784.45
  6. Step 6: Final answer
    x = 180,415,703.44

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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.