Home / 140,090,800.40-210,136,200.60-89,198,435.60

Finding the Fourth Proportional to 140,090,800.40, 210,136,200.60 and 89,198,435.60

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Solution

The fourth proportional to 140,090,800.40, 210,136,200.60 and 89,198,435.60 is: 133,797,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,090,800.40 : 210,136,200.60 = 89,198,435.60 : x
  2. Step 2: Convert to fraction form
    140,090,800.40/210,136,200.60 = 89,198,435.60/x
  3. Step 3: Cross multiply
    140,090,800.40x = 210,136,200.60 × 89,198,435.60
  4. Step 4: Simplify right side
    140,090,800.40x = 18,743,820,356,447,780
  5. Step 5: Solve for x
    x = 18,743,820,356,447,780/140,090,800.40
  6. Step 6: Final answer
    x = 133,797,653.40

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1.5x scale

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.