Home / 221,238,802.80-332,058,970.80-112,139,870.40

Finding the Fourth Proportional to 221,238,802.80, 332,058,970.80 and 112,139,870.40

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Solution

The fourth proportional to 221,238,802.80, 332,058,970.80 and 112,139,870.40 is: 168,311,568.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,238,802.80 : 332,058,970.80 = 112,139,870.40 : x
  2. Step 2: Convert to fraction form
    221,238,802.80/332,058,970.80 = 112,139,870.40/x
  3. Step 3: Cross multiply
    221,238,802.80x = 332,058,970.80 × 112,139,870.40
  4. Step 4: Simplify right side
    221,238,802.80x = 37,237,049,950,669,384
  5. Step 5: Solve for x
    x = 37,237,049,950,669,384/221,238,802.80
  6. Step 6: Final answer
    x = 168,311,568.67

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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.