Home / 113,672,660.76-156,832,462.98-69,573,686.58

Finding the Fourth Proportional to 113,672,660.76, 156,832,462.98 and 69,573,686.58

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Solution

The fourth proportional to 113,672,660.76, 156,832,462.98 and 69,573,686.58 is: 95,989,770.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,672,660.76 : 156,832,462.98 = 69,573,686.58 : x
  2. Step 2: Convert to fraction form
    113,672,660.76/156,832,462.98 = 69,573,686.58/x
  3. Step 3: Cross multiply
    113,672,660.76x = 156,832,462.98 × 69,573,686.58
  4. Step 4: Simplify right side
    113,672,660.76x = 10,911,412,624,939,972
  5. Step 5: Solve for x
    x = 10,911,412,624,939,972/113,672,660.76
  6. Step 6: Final answer
    x = 95,989,770.56

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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.