Home / 52,464,894.40-78,660,016.80-20,104,292.80

Finding the Fourth Proportional to 52,464,894.40, 78,660,016.80 and 20,104,292.80

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Solution

The fourth proportional to 52,464,894.40, 78,660,016.80 and 20,104,292.80 is: 30,142,136.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,464,894.40 : 78,660,016.80 = 20,104,292.80 : x
  2. Step 2: Convert to fraction form
    52,464,894.40/78,660,016.80 = 20,104,292.80/x
  3. Step 3: Cross multiply
    52,464,894.40x = 78,660,016.80 × 20,104,292.80
  4. Step 4: Simplify right side
    52,464,894.40x = 1,581,404,009,400,119
  5. Step 5: Solve for x
    x = 1,581,404,009,400,119/52,464,894.40
  6. Step 6: Final answer
    x = 30,142,136.52

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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.