Home / 223,657,009.28-308,643,729.80-123,183,517.10

Finding the Fourth Proportional to 223,657,009.28, 308,643,729.80 and 123,183,517.10

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Solution

The fourth proportional to 223,657,009.28, 308,643,729.80 and 123,183,517.10 is: 169,991,632.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,657,009.28 : 308,643,729.80 = 123,183,517.10 : x
  2. Step 2: Convert to fraction form
    223,657,009.28/308,643,729.80 = 123,183,517.10/x
  3. Step 3: Cross multiply
    223,657,009.28x = 308,643,729.80 × 123,183,517.10
  4. Step 4: Simplify right side
    223,657,009.28x = 38,019,820,167,626,080
  5. Step 5: Solve for x
    x = 38,019,820,167,626,080/223,657,009.28
  6. Step 6: Final answer
    x = 169,991,632.68

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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.