Home / 82,725,348.70-124,088,023.05-69,970,764.70

Finding the Fourth Proportional to 82,725,348.70, 124,088,023.05 and 69,970,764.70

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Solution

The fourth proportional to 82,725,348.70, 124,088,023.05 and 69,970,764.70 is: 104,956,147.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,725,348.70 : 124,088,023.05 = 69,970,764.70 : x
  2. Step 2: Convert to fraction form
    82,725,348.70/124,088,023.05 = 69,970,764.70/x
  3. Step 3: Cross multiply
    82,725,348.70x = 124,088,023.05 × 69,970,764.70
  4. Step 4: Simplify right side
    82,725,348.70x = 8,682,533,862,919,726
  5. Step 5: Solve for x
    x = 8,682,533,862,919,726/82,725,348.70
  6. Step 6: Final answer
    x = 104,956,147.05

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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.