Home / 113,672,661.76-156,832,464.36-69,573,687.58

Finding the Fourth Proportional to 113,672,661.76, 156,832,464.36 and 69,573,687.58

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Solution

The fourth proportional to 113,672,661.76, 156,832,464.36 and 69,573,687.58 is: 95,989,771.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,672,661.76 : 156,832,464.36 = 69,573,687.58 : x
  2. Step 2: Convert to fraction form
    113,672,661.76/156,832,464.36 = 69,573,687.58/x
  3. Step 3: Cross multiply
    113,672,661.76x = 156,832,464.36 × 69,573,687.58
  4. Step 4: Simplify right side
    113,672,661.76x = 10,911,412,877,784,126
  5. Step 5: Solve for x
    x = 10,911,412,877,784,126/113,672,661.76
  6. Step 6: Final answer
    x = 95,989,771.94

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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.