Home / 129,370,777.60-194,008,927.20-43,111,998.40

Finding the Fourth Proportional to 129,370,777.60, 194,008,927.20 and 43,111,998.40

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Solution

The fourth proportional to 129,370,777.60, 194,008,927.20 and 43,111,998.40 is: 64,652,255.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,370,777.60 : 194,008,927.20 = 43,111,998.40 : x
  2. Step 2: Convert to fraction form
    129,370,777.60/194,008,927.20 = 43,111,998.40/x
  3. Step 3: Cross multiply
    129,370,777.60x = 194,008,927.20 × 43,111,998.40
  4. Step 4: Simplify right side
    129,370,777.60x = 8,364,112,559,032,116
  5. Step 5: Solve for x
    x = 8,364,112,559,032,116/129,370,777.60
  6. Step 6: Final answer
    x = 64,652,255.43

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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.