Home / 191,780,932.51-264,729,656.64-125,705,686.33

Finding the Fourth Proportional to 191,780,932.51, 264,729,656.64 and 125,705,686.33

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Solution

The fourth proportional to 191,780,932.51, 264,729,656.64 and 125,705,686.33 is: 173,521,020.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,780,932.51 : 264,729,656.64 = 125,705,686.33 : x
  2. Step 2: Convert to fraction form
    191,780,932.51/264,729,656.64 = 125,705,686.33/x
  3. Step 3: Cross multiply
    191,780,932.51x = 264,729,656.64 × 125,705,686.33
  4. Step 4: Simplify right side
    191,780,932.51x = 33,278,023,179,836,440
  5. Step 5: Solve for x
    x = 33,278,023,179,836,440/191,780,932.51
  6. Step 6: Final answer
    x = 173,521,020.80

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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.