Home / 53,194,908.40-79,792,362.60-19,119,698.80

Finding the Fourth Proportional to 53,194,908.40, 79,792,362.60 and 19,119,698.80

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Solution

The fourth proportional to 53,194,908.40, 79,792,362.60 and 19,119,698.80 is: 28,679,548.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,194,908.40 : 79,792,362.60 = 19,119,698.80 : x
  2. Step 2: Convert to fraction form
    53,194,908.40/79,792,362.60 = 19,119,698.80/x
  3. Step 3: Cross multiply
    53,194,908.40x = 79,792,362.60 × 19,119,698.80
  4. Step 4: Simplify right side
    53,194,908.40x = 1,525,605,939,452,384.75
  5. Step 5: Solve for x
    x = 1,525,605,939,452,384.75/53,194,908.40
  6. Step 6: Final answer
    x = 28,679,548.20

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Similar ratio
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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.