Home / 82,879,773.70-124,080,512.10-73,313,835.70

Finding the Fourth Proportional to 82,879,773.70, 124,080,512.10 and 73,313,835.70

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Solution

The fourth proportional to 82,879,773.70, 124,080,512.10 and 73,313,835.70 is: 109,759,207.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,879,773.70 : 124,080,512.10 = 73,313,835.70 : x
  2. Step 2: Convert to fraction form
    82,879,773.70/124,080,512.10 = 73,313,835.70/x
  3. Step 3: Cross multiply
    82,879,773.70x = 124,080,512.10 × 73,313,835.70
  4. Step 4: Simplify right side
    82,879,773.70x = 9,096,818,277,671,262
  5. Step 5: Solve for x
    x = 9,096,818,277,671,262/82,879,773.70
  6. Step 6: Final answer
    x = 109,759,207.48

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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.