Home / 109,409,619.80-164,114,429.70-63,948,013.40

Finding the Fourth Proportional to 109,409,619.80, 164,114,429.70 and 63,948,013.40

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Solution

The fourth proportional to 109,409,619.80, 164,114,429.70 and 63,948,013.40 is: 95,922,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,409,619.80 : 164,114,429.70 = 63,948,013.40 : x
  2. Step 2: Convert to fraction form
    109,409,619.80/164,114,429.70 = 63,948,013.40/x
  3. Step 3: Cross multiply
    109,409,619.80x = 164,114,429.70 × 63,948,013.40
  4. Step 4: Simplify right side
    109,409,619.80x = 10,494,791,749,588,956
  5. Step 5: Solve for x
    x = 10,494,791,749,588,956/109,409,619.80
  6. Step 6: Final answer
    x = 95,922,020.10

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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.