Home / 202,447,280.40-303,670,920.60-193,041,430.80

Finding the Fourth Proportional to 202,447,280.40, 303,670,920.60 and 193,041,430.80

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Solution

The fourth proportional to 202,447,280.40, 303,670,920.60 and 193,041,430.80 is: 289,562,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,447,280.40 : 303,670,920.60 = 193,041,430.80 : x
  2. Step 2: Convert to fraction form
    202,447,280.40/303,670,920.60 = 193,041,430.80/x
  3. Step 3: Cross multiply
    202,447,280.40x = 303,670,920.60 × 193,041,430.80
  4. Step 4: Simplify right side
    202,447,280.40x = 58,621,069,004,977,200
  5. Step 5: Solve for x
    x = 58,621,069,004,977,200/202,447,280.40
  6. Step 6: Final answer
    x = 289,562,146.20

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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.