Home / 109,746,010.40-164,619,015.60-91,889,592.80

Finding the Fourth Proportional to 109,746,010.40, 164,619,015.60 and 91,889,592.80

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Solution

The fourth proportional to 109,746,010.40, 164,619,015.60 and 91,889,592.80 is: 137,834,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,746,010.40 : 164,619,015.60 = 91,889,592.80 : x
  2. Step 2: Convert to fraction form
    109,746,010.40/164,619,015.60 = 91,889,592.80/x
  3. Step 3: Cross multiply
    109,746,010.40x = 164,619,015.60 × 91,889,592.80
  4. Step 4: Simplify right side
    109,746,010.40x = 15,126,774,310,620,846
  5. Step 5: Solve for x
    x = 15,126,774,310,620,846/109,746,010.40
  6. Step 6: Final answer
    x = 137,834,389.20

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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.