Home / 189,501,238.94-284,208,886.20-85,801,987.02

Finding the Fourth Proportional to 189,501,238.94, 284,208,886.20 and 85,801,987.02

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Solution

The fourth proportional to 189,501,238.94, 284,208,886.20 and 85,801,987.02 is: 128,683,523.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,501,238.94 : 284,208,886.20 = 85,801,987.02 : x
  2. Step 2: Convert to fraction form
    189,501,238.94/284,208,886.20 = 85,801,987.02/x
  3. Step 3: Cross multiply
    189,501,238.94x = 284,208,886.20 × 85,801,987.02
  4. Step 4: Simplify right side
    189,501,238.94x = 24,385,687,164,701,056
  5. Step 5: Solve for x
    x = 24,385,687,164,701,056/189,501,238.94
  6. Step 6: Final answer
    x = 128,683,523.66

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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.