Home / 53,194,838.40-79,792,257.60-19,119,628.80

Finding the Fourth Proportional to 53,194,838.40, 79,792,257.60 and 19,119,628.80

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Solution

The fourth proportional to 53,194,838.40, 79,792,257.60 and 19,119,628.80 is: 28,679,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,194,838.40 : 79,792,257.60 = 19,119,628.80 : x
  2. Step 2: Convert to fraction form
    53,194,838.40/79,792,257.60 = 19,119,628.80/x
  3. Step 3: Cross multiply
    53,194,838.40x = 79,792,257.60 × 19,119,628.80
  4. Step 4: Simplify right side
    53,194,838.40x = 1,525,598,346,425,978.75
  5. Step 5: Solve for x
    x = 1,525,598,346,425,978.75/53,194,838.40
  6. Step 6: Final answer
    x = 28,679,443.20

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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.