Home / 80,636,975.80-120,955,463.70-29,501,999.80

Finding the Fourth Proportional to 80,636,975.80, 120,955,463.70 and 29,501,999.80

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Solution

The fourth proportional to 80,636,975.80, 120,955,463.70 and 29,501,999.80 is: 44,252,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,636,975.80 : 120,955,463.70 = 29,501,999.80 : x
  2. Step 2: Convert to fraction form
    80,636,975.80/120,955,463.70 = 29,501,999.80/x
  3. Step 3: Cross multiply
    80,636,975.80x = 120,955,463.70 × 29,501,999.80
  4. Step 4: Simplify right side
    80,636,975.80x = 3,568,428,065,886,307.50
  5. Step 5: Solve for x
    x = 3,568,428,065,886,307.50/80,636,975.80
  6. Step 6: Final answer
    x = 44,252,999.70

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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.