Home / 276,466,261.40-381,524,741.43-151,020,197.36

Finding the Fourth Proportional to 276,466,261.40, 381,524,741.43 and 151,020,197.36

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Solution

The fourth proportional to 276,466,261.40, 381,524,741.43 and 151,020,197.36 is: 208,408,582.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,466,261.40 : 381,524,741.43 = 151,020,197.36 : x
  2. Step 2: Convert to fraction form
    276,466,261.40/381,524,741.43 = 151,020,197.36/x
  3. Step 3: Cross multiply
    276,466,261.40x = 381,524,741.43 × 151,020,197.36
  4. Step 4: Simplify right side
    276,466,261.40x = 57,617,941,748,481,576
  5. Step 5: Solve for x
    x = 57,617,941,748,481,576/276,466,261.40
  6. Step 6: Final answer
    x = 208,408,582.87

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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.