Home / 79,285,429.80-118,892,715.30-30,747,151.80

Finding the Fourth Proportional to 79,285,429.80, 118,892,715.30 and 30,747,151.80

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Solution

The fourth proportional to 79,285,429.80, 118,892,715.30 and 30,747,151.80 is: 46,106,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,285,429.80 : 118,892,715.30 = 30,747,151.80 : x
  2. Step 2: Convert to fraction form
    79,285,429.80/118,892,715.30 = 30,747,151.80/x
  3. Step 3: Cross multiply
    79,285,429.80x = 118,892,715.30 × 30,747,151.80
  4. Step 4: Simplify right side
    79,285,429.80x = 3,655,612,365,243,282.50
  5. Step 5: Solve for x
    x = 3,655,612,365,243,282.50/79,285,429.80
  6. Step 6: Final answer
    x = 46,106,988.06

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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.