Home / 148,655,568.51-205,062,026.76-138,133,959.33

Finding the Fourth Proportional to 148,655,568.51, 205,062,026.76 and 138,133,959.33

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Solution

The fourth proportional to 148,655,568.51, 205,062,026.76 and 138,133,959.33 is: 190,548,056.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,655,568.51 : 205,062,026.76 = 138,133,959.33 : x
  2. Step 2: Convert to fraction form
    148,655,568.51/205,062,026.76 = 138,133,959.33/x
  3. Step 3: Cross multiply
    148,655,568.51x = 205,062,026.76 × 138,133,959.33
  4. Step 4: Simplify right side
    148,655,568.51x = 28,326,029,664,593,212
  5. Step 5: Solve for x
    x = 28,326,029,664,593,212/148,655,568.51
  6. Step 6: Final answer
    x = 190,548,056.48

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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.