Home / 101,361,824.76-139,994,791.52-68,710,089.72

Finding the Fourth Proportional to 101,361,824.76, 139,994,791.52 and 68,710,089.72

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Solution

The fourth proportional to 101,361,824.76, 139,994,791.52 and 68,710,089.72 is: 94,898,199.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,361,824.76 : 139,994,791.52 = 68,710,089.72 : x
  2. Step 2: Convert to fraction form
    101,361,824.76/139,994,791.52 = 68,710,089.72/x
  3. Step 3: Cross multiply
    101,361,824.76x = 139,994,791.52 × 68,710,089.72
  4. Step 4: Simplify right side
    101,361,824.76x = 9,619,054,685,328,344
  5. Step 5: Solve for x
    x = 9,619,054,685,328,344/101,361,824.76
  6. Step 6: Final answer
    x = 94,898,199.67

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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.