Home / 79,200,328.10-118,776,179.79-54,765,256.95

Finding the Fourth Proportional to 79,200,328.10, 118,776,179.79 and 54,765,256.95

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Solution

The fourth proportional to 79,200,328.10, 118,776,179.79 and 54,765,256.95 is: 82,131,073.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,200,328.10 : 118,776,179.79 = 54,765,256.95 : x
  2. Step 2: Convert to fraction form
    79,200,328.10/118,776,179.79 = 54,765,256.95/x
  3. Step 3: Cross multiply
    79,200,328.10x = 118,776,179.79 × 54,765,256.95
  4. Step 4: Simplify right side
    79,200,328.10x = 6,504,808,005,738,748
  5. Step 5: Solve for x
    x = 6,504,808,005,738,748/79,200,328.10
  6. Step 6: Final answer
    x = 82,131,073.98

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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.