Home / 202,179,400.80-303,269,101.20-72,806,978.40

Finding the Fourth Proportional to 202,179,400.80, 303,269,101.20 and 72,806,978.40

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Solution

The fourth proportional to 202,179,400.80, 303,269,101.20 and 72,806,978.40 is: 109,210,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,179,400.80 : 303,269,101.20 = 72,806,978.40 : x
  2. Step 2: Convert to fraction form
    202,179,400.80/303,269,101.20 = 72,806,978.40/x
  3. Step 3: Cross multiply
    202,179,400.80x = 303,269,101.20 × 72,806,978.40
  4. Step 4: Simplify right side
    202,179,400.80x = 22,080,106,900,455,816
  5. Step 5: Solve for x
    x = 22,080,106,900,455,816/202,179,400.80
  6. Step 6: Final answer
    x = 109,210,467.60

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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.