Home / 53,390,491.20-80,085,736.80-13,000,975.20

Finding the Fourth Proportional to 53,390,491.20, 80,085,736.80 and 13,000,975.20

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Solution

The fourth proportional to 53,390,491.20, 80,085,736.80 and 13,000,975.20 is: 19,501,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,390,491.20 : 80,085,736.80 = 13,000,975.20 : x
  2. Step 2: Convert to fraction form
    53,390,491.20/80,085,736.80 = 13,000,975.20/x
  3. Step 3: Cross multiply
    53,390,491.20x = 80,085,736.80 × 13,000,975.20
  4. Step 4: Simplify right side
    53,390,491.20x = 1,041,192,678,010,527.25
  5. Step 5: Solve for x
    x = 1,041,192,678,010,527.25/53,390,491.20
  6. Step 6: Final answer
    x = 19,501,462.80

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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.