Home / 140,880,021.15-211,321,658.67-42,512,580.03

Finding the Fourth Proportional to 140,880,021.15, 211,321,658.67 and 42,512,580.03

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Solution

The fourth proportional to 140,880,021.15, 211,321,658.67 and 42,512,580.03 is: 63,769,361.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,880,021.15 : 211,321,658.67 = 42,512,580.03 : x
  2. Step 2: Convert to fraction form
    140,880,021.15/211,321,658.67 = 42,512,580.03/x
  3. Step 3: Cross multiply
    140,880,021.15x = 211,321,658.67 × 42,512,580.03
  4. Step 4: Simplify right side
    140,880,021.15x = 8,983,828,926,280,718
  5. Step 5: Solve for x
    x = 8,983,828,926,280,718/140,880,021.15
  6. Step 6: Final answer
    x = 63,769,361.00

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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.