Home / 172,779,347.94-259,234,294.16-103,740,290.47

Finding the Fourth Proportional to 172,779,347.94, 259,234,294.16 and 103,740,290.47

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Solution

The fourth proportional to 172,779,347.94, 259,234,294.16 and 103,740,290.47 is: 155,649,626.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,779,347.94 : 259,234,294.16 = 103,740,290.47 : x
  2. Step 2: Convert to fraction form
    172,779,347.94/259,234,294.16 = 103,740,290.47/x
  3. Step 3: Cross multiply
    172,779,347.94x = 259,234,294.16 × 103,740,290.47
  4. Step 4: Simplify right side
    172,779,347.94x = 26,893,040,975,943,824
  5. Step 5: Solve for x
    x = 26,893,040,975,943,824/172,779,347.94
  6. Step 6: Final answer
    x = 155,649,626.51

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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.