Home / 118,381,682.24-177,126,016.80-69,885,915.20

Finding the Fourth Proportional to 118,381,682.24, 177,126,016.80 and 69,885,915.20

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Solution

The fourth proportional to 118,381,682.24, 177,126,016.80 and 69,885,915.20 is: 104,565,280.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,381,682.24 : 177,126,016.80 = 69,885,915.20 : x
  2. Step 2: Convert to fraction form
    118,381,682.24/177,126,016.80 = 69,885,915.20/x
  3. Step 3: Cross multiply
    118,381,682.24x = 177,126,016.80 × 69,885,915.20
  4. Step 4: Simplify right side
    118,381,682.24x = 12,378,613,789,798,576
  5. Step 5: Solve for x
    x = 12,378,613,789,798,576/118,381,682.24
  6. Step 6: Final answer
    x = 104,565,280.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.