Home / 129,433,974.30-194,150,961.45-61,409,526.30

Finding the Fourth Proportional to 129,433,974.30, 194,150,961.45 and 61,409,526.30

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Solution

The fourth proportional to 129,433,974.30, 194,150,961.45 and 61,409,526.30 is: 92,114,289.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,433,974.30 : 194,150,961.45 = 61,409,526.30 : x
  2. Step 2: Convert to fraction form
    129,433,974.30/194,150,961.45 = 61,409,526.30/x
  3. Step 3: Cross multiply
    129,433,974.30x = 194,150,961.45 × 61,409,526.30
  4. Step 4: Simplify right side
    129,433,974.30x = 11,922,718,573,334,060
  5. Step 5: Solve for x
    x = 11,922,718,573,334,060/129,433,974.30
  6. Step 6: Final answer
    x = 92,114,289.45

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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.