Home / 78,271,488.89-117,367,001.58-41,403,205.46

Finding the Fourth Proportional to 78,271,488.89, 117,367,001.58 and 41,403,205.46

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Solution

The fourth proportional to 78,271,488.89, 117,367,001.58 and 41,403,205.46 is: 62,083,526.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,271,488.89 : 117,367,001.58 = 41,403,205.46 : x
  2. Step 2: Convert to fraction form
    78,271,488.89/117,367,001.58 = 41,403,205.46/x
  3. Step 3: Cross multiply
    78,271,488.89x = 117,367,001.58 × 41,403,205.46
  4. Step 4: Simplify right side
    78,271,488.89x = 4,859,370,080,054,049
  5. Step 5: Solve for x
    x = 4,859,370,080,054,049/78,271,488.89
  6. Step 6: Final answer
    x = 62,083,526.83

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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.