Home / 79,046,133.82-118,609,734.04-38,140,458.48

Finding the Fourth Proportional to 79,046,133.82, 118,609,734.04 and 38,140,458.48

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Solution

The fourth proportional to 79,046,133.82, 118,609,734.04 and 38,140,458.48 is: 57,230,245.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,046,133.82 : 118,609,734.04 = 38,140,458.48 : x
  2. Step 2: Convert to fraction form
    79,046,133.82/118,609,734.04 = 38,140,458.48/x
  3. Step 3: Cross multiply
    79,046,133.82x = 118,609,734.04 × 38,140,458.48
  4. Step 4: Simplify right side
    79,046,133.82x = 4,523,829,636,381,111
  5. Step 5: Solve for x
    x = 4,523,829,636,381,111/79,046,133.82
  6. Step 6: Final answer
    x = 57,230,245.40

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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.