Home / 55,118,750.71-76,063,272.33-30,338,407.75

Finding the Fourth Proportional to 55,118,750.71, 76,063,272.33 and 30,338,407.75

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Solution

The fourth proportional to 55,118,750.71, 76,063,272.33 and 30,338,407.75 is: 41,866,670.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,118,750.71 : 76,063,272.33 = 30,338,407.75 : x
  2. Step 2: Convert to fraction form
    55,118,750.71/76,063,272.33 = 30,338,407.75/x
  3. Step 3: Cross multiply
    55,118,750.71x = 76,063,272.33 × 30,338,407.75
  4. Step 4: Simplify right side
    55,118,750.71x = 2,307,638,570,746,832.50
  5. Step 5: Solve for x
    x = 2,307,638,570,746,832.50/55,118,750.71
  6. Step 6: Final answer
    x = 41,866,670.43

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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.