Home / 140,672,354.32-194,130,660.18-81,938,803.96

Finding the Fourth Proportional to 140,672,354.32, 194,130,660.18 and 81,938,803.96

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Solution

The fourth proportional to 140,672,354.32, 194,130,660.18 and 81,938,803.96 is: 113,077,186.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,672,354.32 : 194,130,660.18 = 81,938,803.96 : x
  2. Step 2: Convert to fraction form
    140,672,354.32/194,130,660.18 = 81,938,803.96/x
  3. Step 3: Cross multiply
    140,672,354.32x = 194,130,660.18 × 81,938,803.96
  4. Step 4: Simplify right side
    140,672,354.32x = 15,906,834,107,114,398
  5. Step 5: Solve for x
    x = 15,906,834,107,114,398/140,672,354.32
  6. Step 6: Final answer
    x = 113,077,186.94

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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.