Home / 98,160,679.72-135,467,798.58-54,107,579.20

Finding the Fourth Proportional to 98,160,679.72, 135,467,798.58 and 54,107,579.20

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Solution

The fourth proportional to 98,160,679.72, 135,467,798.58 and 54,107,579.20 is: 74,671,799.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,160,679.72 : 135,467,798.58 = 54,107,579.20 : x
  2. Step 2: Convert to fraction form
    98,160,679.72/135,467,798.58 = 54,107,579.20/x
  3. Step 3: Cross multiply
    98,160,679.72x = 135,467,798.58 × 54,107,579.20
  4. Step 4: Simplify right side
    98,160,679.72x = 7,329,834,640,716,999
  5. Step 5: Solve for x
    x = 7,329,834,640,716,999/98,160,679.72
  6. Step 6: Final answer
    x = 74,671,799.97

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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.