Home / 53,824,564.80-80,736,847.20-47,447,272.80

Finding the Fourth Proportional to 53,824,564.80, 80,736,847.20 and 47,447,272.80

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Solution

The fourth proportional to 53,824,564.80, 80,736,847.20 and 47,447,272.80 is: 71,170,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,824,564.80 : 80,736,847.20 = 47,447,272.80 : x
  2. Step 2: Convert to fraction form
    53,824,564.80/80,736,847.20 = 47,447,272.80/x
  3. Step 3: Cross multiply
    53,824,564.80x = 80,736,847.20 × 47,447,272.80
  4. Step 4: Simplify right side
    53,824,564.80x = 3,830,743,214,110,316
  5. Step 5: Solve for x
    x = 3,830,743,214,110,316/53,824,564.80
  6. Step 6: Final answer
    x = 71,170,909.20

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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.