Home / 82,725,347.70-124,088,021.55-69,970,763.70

Finding the Fourth Proportional to 82,725,347.70, 124,088,021.55 and 69,970,763.70

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Solution

The fourth proportional to 82,725,347.70, 124,088,021.55 and 69,970,763.70 is: 104,956,145.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,725,347.70 : 124,088,021.55 = 69,970,763.70 : x
  2. Step 2: Convert to fraction form
    82,725,347.70/124,088,021.55 = 69,970,763.70/x
  3. Step 3: Cross multiply
    82,725,347.70x = 124,088,021.55 × 69,970,763.70
  4. Step 4: Simplify right side
    82,725,347.70x = 8,682,533,633,875,558
  5. Step 5: Solve for x
    x = 8,682,533,633,875,558/82,725,347.70
  6. Step 6: Final answer
    x = 104,956,145.55

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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.