Home / 77,969,550.60-116,828,354.70-49,164,136.20

Finding the Fourth Proportional to 77,969,550.60, 116,828,354.70 and 49,164,136.20

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Solution

The fourth proportional to 77,969,550.60, 116,828,354.70 and 49,164,136.20 is: 73,666,772.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,969,550.60 : 116,828,354.70 = 49,164,136.20 : x
  2. Step 2: Convert to fraction form
    77,969,550.60/116,828,354.70 = 49,164,136.20/x
  3. Step 3: Cross multiply
    77,969,550.60x = 116,828,354.70 × 49,164,136.20
  4. Step 4: Simplify right side
    77,969,550.60x = 5,743,765,142,492,711
  5. Step 5: Solve for x
    x = 5,743,765,142,492,711/77,969,550.60
  6. Step 6: Final answer
    x = 73,666,772.46

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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.