Home / 55,118,746.38-76,063,266.40-30,338,403.42

Finding the Fourth Proportional to 55,118,746.38, 76,063,266.40 and 30,338,403.42

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Solution

The fourth proportional to 55,118,746.38, 76,063,266.40 and 30,338,403.42 is: 41,866,664.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,118,746.38 : 76,063,266.40 = 30,338,403.42 : x
  2. Step 2: Convert to fraction form
    55,118,746.38/76,063,266.40 = 30,338,403.42/x
  3. Step 3: Cross multiply
    55,118,746.38x = 76,063,266.40 × 30,338,403.42
  4. Step 4: Simplify right side
    55,118,746.38x = 2,307,638,061,486,131.50
  5. Step 5: Solve for x
    x = 2,307,638,061,486,131.50/55,118,746.38
  6. Step 6: Final answer
    x = 41,866,664.48

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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.