Home / 127,328,885.27-190,993,089.67-39,897,095.65

Finding the Fourth Proportional to 127,328,885.27, 190,993,089.67 and 39,897,095.65

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Solution

The fourth proportional to 127,328,885.27, 190,993,089.67 and 39,897,095.65 is: 59,845,568.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,328,885.27 : 190,993,089.67 = 39,897,095.65 : x
  2. Step 2: Convert to fraction form
    127,328,885.27/190,993,089.67 = 39,897,095.65/x
  3. Step 3: Cross multiply
    127,328,885.27x = 190,993,089.67 × 39,897,095.65
  4. Step 4: Simplify right side
    127,328,885.27x = 7,620,069,567,053,016
  5. Step 5: Solve for x
    x = 7,620,069,567,053,016/127,328,885.27
  6. Step 6: Final answer
    x = 59,845,568.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.