Home / 284,710,584.80-427,065,877.20-131,655,576.80

Finding the Fourth Proportional to 284,710,584.80, 427,065,877.20 and 131,655,576.80

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Solution

The fourth proportional to 284,710,584.80, 427,065,877.20 and 131,655,576.80 is: 197,483,365.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,710,584.80 : 427,065,877.20 = 131,655,576.80 : x
  2. Step 2: Convert to fraction form
    284,710,584.80/427,065,877.20 = 131,655,576.80/x
  3. Step 3: Cross multiply
    284,710,584.80x = 427,065,877.20 × 131,655,576.80
  4. Step 4: Simplify right side
    284,710,584.80x = 56,225,604,394,363,968
  5. Step 5: Solve for x
    x = 56,225,604,394,363,968/284,710,584.80
  6. Step 6: Final answer
    x = 197,483,365.20

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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.