Home / 454,668,401.34-681,898,350.42-127,167,054.03

Finding the Fourth Proportional to 454,668,401.34, 681,898,350.42 and 127,167,054.03

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Solution

The fourth proportional to 454,668,401.34, 681,898,350.42 and 127,167,054.03 is: 190,721,422.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,668,401.34 : 681,898,350.42 = 127,167,054.03 : x
  2. Step 2: Convert to fraction form
    454,668,401.34/681,898,350.42 = 127,167,054.03/x
  3. Step 3: Cross multiply
    454,668,401.34x = 681,898,350.42 × 127,167,054.03
  4. Step 4: Simplify right side
    454,668,401.34x = 86,715,004,370,828,016
  5. Step 5: Solve for x
    x = 86,715,004,370,828,016/454,668,401.34
  6. Step 6: Final answer
    x = 190,721,422.72

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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.