Home / 223,657,005.78-308,643,725.00-123,183,513.60

Finding the Fourth Proportional to 223,657,005.78, 308,643,725.00 and 123,183,513.60

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Solution

The fourth proportional to 223,657,005.78, 308,643,725.00 and 123,183,513.60 is: 169,991,627.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,657,005.78 : 308,643,725.00 = 123,183,513.60 : x
  2. Step 2: Convert to fraction form
    223,657,005.78/308,643,725.00 = 123,183,513.60/x
  3. Step 3: Cross multiply
    223,657,005.78x = 308,643,725.00 × 123,183,513.60
  4. Step 4: Simplify right side
    223,657,005.78x = 38,019,818,495,476,240
  5. Step 5: Solve for x
    x = 38,019,818,495,476,240/223,657,005.78
  6. Step 6: Final answer
    x = 169,991,627.86

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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.