Home / 140,898,812.90-194,441,770.30-79,017,822.86

Finding the Fourth Proportional to 140,898,812.90, 194,441,770.30 and 79,017,822.86

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Solution

The fourth proportional to 140,898,812.90, 194,441,770.30 and 79,017,822.86 is: 109,045,385.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,898,812.90 : 194,441,770.30 = 79,017,822.86 : x
  2. Step 2: Convert to fraction form
    140,898,812.90/194,441,770.30 = 79,017,822.86/x
  3. Step 3: Cross multiply
    140,898,812.90x = 194,441,770.30 × 79,017,822.86
  4. Step 4: Simplify right side
    140,898,812.90x = 15,364,365,362,150,210
  5. Step 5: Solve for x
    x = 15,364,365,362,150,210/140,898,812.90
  6. Step 6: Final answer
    x = 109,045,385.45

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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.