Home / 154,353,954.44-213,010,952.82-84,745,752.20

Finding the Fourth Proportional to 154,353,954.44, 213,010,952.82 and 84,745,752.20

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Solution

The fourth proportional to 154,353,954.44, 213,010,952.82 and 84,745,752.20 is: 116,950,508.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,353,954.44 : 213,010,952.82 = 84,745,752.20 : x
  2. Step 2: Convert to fraction form
    154,353,954.44/213,010,952.82 = 84,745,752.20/x
  3. Step 3: Cross multiply
    154,353,954.44x = 213,010,952.82 × 84,745,752.20
  4. Step 4: Simplify right side
    154,353,954.44x = 18,051,773,423,569,612
  5. Step 5: Solve for x
    x = 18,051,773,423,569,612/154,353,954.44
  6. Step 6: Final answer
    x = 116,950,508.26

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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.