Home / 140,617,282.20-210,757,961.70-72,424,872.60

Finding the Fourth Proportional to 140,617,282.20, 210,757,961.70 and 72,424,872.60

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Solution

The fourth proportional to 140,617,282.20, 210,757,961.70 and 72,424,872.60 is: 108,550,800.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,617,282.20 : 210,757,961.70 = 72,424,872.60 : x
  2. Step 2: Convert to fraction form
    140,617,282.20/210,757,961.70 = 72,424,872.60/x
  3. Step 3: Cross multiply
    140,617,282.20x = 210,757,961.70 × 72,424,872.60
  4. Step 4: Simplify right side
    140,617,282.20x = 15,264,118,525,558,178
  5. Step 5: Solve for x
    x = 15,264,118,525,558,178/140,617,282.20
  6. Step 6: Final answer
    x = 108,550,800.35

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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.