Home / 120,062,579.84-165,668,037.60-67,832,558.36

Finding the Fourth Proportional to 120,062,579.84, 165,668,037.60 and 67,832,558.36

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Solution

The fourth proportional to 120,062,579.84, 165,668,037.60 and 67,832,558.36 is: 93,598,578.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,062,579.84 : 165,668,037.60 = 67,832,558.36 : x
  2. Step 2: Convert to fraction form
    120,062,579.84/165,668,037.60 = 67,832,558.36/x
  3. Step 3: Cross multiply
    120,062,579.84x = 165,668,037.60 × 67,832,558.36
  4. Step 4: Simplify right side
    120,062,579.84x = 11,237,686,828,888,674
  5. Step 5: Solve for x
    x = 11,237,686,828,888,674/120,062,579.84
  6. Step 6: Final answer
    x = 93,598,578.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.