Home / 55,118,747.40-76,063,267.80-30,338,404.44

Finding the Fourth Proportional to 55,118,747.40, 76,063,267.80 and 30,338,404.44

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Solution

The fourth proportional to 55,118,747.40, 76,063,267.80 and 30,338,404.44 is: 41,866,665.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,118,747.40 : 76,063,267.80 = 30,338,404.44 : x
  2. Step 2: Convert to fraction form
    55,118,747.40/76,063,267.80 = 30,338,404.44/x
  3. Step 3: Cross multiply
    55,118,747.40x = 76,063,267.80 × 30,338,404.44
  4. Step 4: Simplify right side
    55,118,747.40x = 2,307,638,181,544,429
  5. Step 5: Solve for x
    x = 2,307,638,181,544,429/55,118,747.40
  6. Step 6: Final answer
    x = 41,866,665.89

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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.