Home / 101,361,892.75-139,994,885.61-68,710,157.71

Finding the Fourth Proportional to 101,361,892.75, 139,994,885.61 and 68,710,157.71

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Solution

The fourth proportional to 101,361,892.75, 139,994,885.61 and 68,710,157.71 is: 94,898,293.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,361,892.75 : 139,994,885.61 = 68,710,157.71 : x
  2. Step 2: Convert to fraction form
    101,361,892.75/139,994,885.61 = 68,710,157.71/x
  3. Step 3: Cross multiply
    101,361,892.75x = 139,994,885.61 × 68,710,157.71
  4. Step 4: Simplify right side
    101,361,892.75x = 9,619,070,668,856,510
  5. Step 5: Solve for x
    x = 9,619,070,668,856,510/101,361,892.75
  6. Step 6: Final answer
    x = 94,898,293.71

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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.