Home / 275,531,799.15-380,233,903.59-151,772,476.28

Finding the Fourth Proportional to 275,531,799.15, 380,233,903.59 and 151,772,476.28

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Solution

The fourth proportional to 275,531,799.15, 380,233,903.59 and 151,772,476.28 is: 209,446,028.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,531,799.15 : 380,233,903.59 = 151,772,476.28 : x
  2. Step 2: Convert to fraction form
    275,531,799.15/380,233,903.59 = 151,772,476.28/x
  3. Step 3: Cross multiply
    275,531,799.15x = 380,233,903.59 × 151,772,476.28
  4. Step 4: Simplify right side
    275,531,799.15x = 57,709,041,111,563,912
  5. Step 5: Solve for x
    x = 57,709,041,111,563,912/275,531,799.15
  6. Step 6: Final answer
    x = 209,446,028.70

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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.