Home / 70,102,520.35-105,059,786.59-54,559,117.52

Finding the Fourth Proportional to 70,102,520.35, 105,059,786.59 and 54,559,117.52

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Solution

The fourth proportional to 70,102,520.35, 105,059,786.59 and 54,559,117.52 is: 81,765,523.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,102,520.35 : 105,059,786.59 = 54,559,117.52 : x
  2. Step 2: Convert to fraction form
    70,102,520.35/105,059,786.59 = 54,559,117.52/x
  3. Step 3: Cross multiply
    70,102,520.35x = 105,059,786.59 × 54,559,117.52
  4. Step 4: Simplify right side
    70,102,520.35x = 5,731,969,243,280,115
  5. Step 5: Solve for x
    x = 5,731,969,243,280,115/70,102,520.35
  6. Step 6: Final answer
    x = 81,765,523.04

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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.