Home / 140,293,635.36-193,597,407.33-77,566,106.82

Finding the Fourth Proportional to 140,293,635.36, 193,597,407.33 and 77,566,106.82

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Solution

The fourth proportional to 140,293,635.36, 193,597,407.33 and 77,566,106.82 is: 107,036,909.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,293,635.36 : 193,597,407.33 = 77,566,106.82 : x
  2. Step 2: Convert to fraction form
    140,293,635.36/193,597,407.33 = 77,566,106.82/x
  3. Step 3: Cross multiply
    140,293,635.36x = 193,597,407.33 × 77,566,106.82
  4. Step 4: Simplify right side
    140,293,635.36x = 15,016,597,177,033,830
  5. Step 5: Solve for x
    x = 15,016,597,177,033,830/140,293,635.36
  6. Step 6: Final answer
    x = 107,036,909.68

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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.