Home / 55,118,749.71-76,063,270.95-30,338,406.75

Finding the Fourth Proportional to 55,118,749.71, 76,063,270.95 and 30,338,406.75

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Solution

The fourth proportional to 55,118,749.71, 76,063,270.95 and 30,338,406.75 is: 41,866,669.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,118,749.71 : 76,063,270.95 = 30,338,406.75 : x
  2. Step 2: Convert to fraction form
    55,118,749.71/76,063,270.95 = 30,338,406.75/x
  3. Step 3: Cross multiply
    55,118,749.71x = 76,063,270.95 × 30,338,406.75
  4. Step 4: Simplify right side
    55,118,749.71x = 2,307,638,452,816,559
  5. Step 5: Solve for x
    x = 2,307,638,452,816,559/55,118,749.71
  6. Step 6: Final answer
    x = 41,866,669.05

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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.