Home / 65,888,317.20-90,931,325.22-36,528,862.80

Finding the Fourth Proportional to 65,888,317.20, 90,931,325.22 and 36,528,862.80

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Solution

The fourth proportional to 65,888,317.20, 90,931,325.22 and 36,528,862.80 is: 50,412,850.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,888,317.20 : 90,931,325.22 = 36,528,862.80 : x
  2. Step 2: Convert to fraction form
    65,888,317.20/90,931,325.22 = 36,528,862.80/x
  3. Step 3: Cross multiply
    65,888,317.20x = 90,931,325.22 × 36,528,862.80
  4. Step 4: Simplify right side
    65,888,317.20x = 3,321,617,903,183,559.50
  5. Step 5: Solve for x
    x = 3,321,617,903,183,559.50/65,888,317.20
  6. Step 6: Final answer
    x = 50,412,850.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.