Home / 319,870,704.48-479,824,004.64-89,821,852.80

Finding the Fourth Proportional to 319,870,704.48, 479,824,004.64 and 89,821,852.80

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Solution

The fourth proportional to 319,870,704.48, 479,824,004.64 and 89,821,852.80 is: 134,737,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,870,704.48 : 479,824,004.64 = 89,821,852.80 : x
  2. Step 2: Convert to fraction form
    319,870,704.48/479,824,004.64 = 89,821,852.80/x
  3. Step 3: Cross multiply
    319,870,704.48x = 479,824,004.64 × 89,821,852.80
  4. Step 4: Simplify right side
    319,870,704.48x = 43,098,681,114,680,592
  5. Step 5: Solve for x
    x = 43,098,681,114,680,592/319,870,704.48
  6. Step 6: Final answer
    x = 134,737,819.10

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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.