Home / 156,054,156-215,273,086.56-96,496,411.20

Finding the Fourth Proportional to 156,054,156, 215,273,086.56 and 96,496,411.20

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Solution

The fourth proportional to 156,054,156, 215,273,086.56 and 96,496,411.20 is: 133,114,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,054,156 : 215,273,086.56 = 96,496,411.20 : x
  2. Step 2: Convert to fraction form
    156,054,156/215,273,086.56 = 96,496,411.20/x
  3. Step 3: Cross multiply
    156,054,156x = 215,273,086.56 × 96,496,411.20
  4. Step 4: Simplify right side
    156,054,156x = 20,773,080,280,986,956
  5. Step 5: Solve for x
    x = 20,773,080,280,986,956/156,054,156
  6. Step 6: Final answer
    x = 133,114,559.80

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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.