Home / 51,168,148.80-76,743,816.12-18,371,928.48

Finding the Fourth Proportional to 51,168,148.80, 76,743,816.12 and 18,371,928.48

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Solution

The fourth proportional to 51,168,148.80, 76,743,816.12 and 18,371,928.48 is: 27,554,874.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,168,148.80 : 76,743,816.12 = 18,371,928.48 : x
  2. Step 2: Convert to fraction form
    51,168,148.80/76,743,816.12 = 18,371,928.48/x
  3. Step 3: Cross multiply
    51,168,148.80x = 76,743,816.12 × 18,371,928.48
  4. Step 4: Simplify right side
    51,168,148.80x = 1,409,931,901,038,911.25
  5. Step 5: Solve for x
    x = 1,409,931,901,038,911.25/51,168,148.80
  6. Step 6: Final answer
    x = 27,554,874.16

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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.