Home / 140,880,400.80-211,320,601.20-97,042,423.20

Finding the Fourth Proportional to 140,880,400.80, 211,320,601.20 and 97,042,423.20

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Solution

The fourth proportional to 140,880,400.80, 211,320,601.20 and 97,042,423.20 is: 145,563,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,880,400.80 : 211,320,601.20 = 97,042,423.20 : x
  2. Step 2: Convert to fraction form
    140,880,400.80/211,320,601.20 = 97,042,423.20/x
  3. Step 3: Cross multiply
    140,880,400.80x = 211,320,601.20 × 97,042,423.20
  4. Step 4: Simplify right side
    140,880,400.80x = 20,507,063,212,528,828
  5. Step 5: Solve for x
    x = 20,507,063,212,528,828/140,880,400.80
  6. Step 6: Final answer
    x = 145,563,634.80

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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.