Home / 140,093,638.40-210,140,457.60-89,201,273.60

Finding the Fourth Proportional to 140,093,638.40, 210,140,457.60 and 89,201,273.60

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Solution

The fourth proportional to 140,093,638.40, 210,140,457.60 and 89,201,273.60 is: 133,801,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,093,638.40 : 210,140,457.60 = 89,201,273.60 : x
  2. Step 2: Convert to fraction form
    140,093,638.40/210,140,457.60 = 89,201,273.60/x
  3. Step 3: Cross multiply
    140,093,638.40x = 210,140,457.60 × 89,201,273.60
  4. Step 4: Simplify right side
    140,093,638.40x = 18,744,796,452,806,796
  5. Step 5: Solve for x
    x = 18,744,796,452,806,796/140,093,638.40
  6. Step 6: Final answer
    x = 133,801,910.40

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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.