Home / 349,056,987.20-523,253,704.80-130,648,846.40

Finding the Fourth Proportional to 349,056,987.20, 523,253,704.80 and 130,648,846.40

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Solution

The fourth proportional to 349,056,987.20, 523,253,704.80 and 130,648,846.40 is: 195,849,088.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,056,987.20 : 523,253,704.80 = 130,648,846.40 : x
  2. Step 2: Convert to fraction form
    349,056,987.20/523,253,704.80 = 130,648,846.40/x
  3. Step 3: Cross multiply
    349,056,987.20x = 523,253,704.80 × 130,648,846.40
  4. Step 4: Simplify right side
    349,056,987.20x = 68,362,492,906,646,144
  5. Step 5: Solve for x
    x = 68,362,492,906,646,144/349,056,987.20
  6. Step 6: Final answer
    x = 195,849,088.87

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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.