Home / 140,617,300.20-210,757,988.70-72,424,890.60

Finding the Fourth Proportional to 140,617,300.20, 210,757,988.70 and 72,424,890.60

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Solution

The fourth proportional to 140,617,300.20, 210,757,988.70 and 72,424,890.60 is: 108,550,827.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,617,300.20 : 210,757,988.70 = 72,424,890.60 : x
  2. Step 2: Convert to fraction form
    140,617,300.20/210,757,988.70 = 72,424,890.60/x
  3. Step 3: Cross multiply
    140,617,300.20x = 210,757,988.70 × 72,424,890.60
  4. Step 4: Simplify right side
    140,617,300.20x = 15,264,124,274,673,534
  5. Step 5: Solve for x
    x = 15,264,124,274,673,534/140,617,300.20
  6. Step 6: Final answer
    x = 108,550,827.34

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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.