Home / 180,005,288.40-248,394,401.28-105,668,866.80

Finding the Fourth Proportional to 180,005,288.40, 248,394,401.28 and 105,668,866.80

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Solution

The fourth proportional to 180,005,288.40, 248,394,401.28 and 105,668,866.80 is: 145,815,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,005,288.40 : 248,394,401.28 = 105,668,866.80 : x
  2. Step 2: Convert to fraction form
    180,005,288.40/248,394,401.28 = 105,668,866.80/x
  3. Step 3: Cross multiply
    180,005,288.40x = 248,394,401.28 × 105,668,866.80
  4. Step 4: Simplify right side
    180,005,288.40x = 26,247,554,902,722,068
  5. Step 5: Solve for x
    x = 26,247,554,902,722,068/180,005,288.40
  6. Step 6: Final answer
    x = 145,815,465.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.