Home / 153,962,606.88-212,466,638.30-83,396,886.75

Finding the Fourth Proportional to 153,962,606.88, 212,466,638.30 and 83,396,886.75

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Solution

The fourth proportional to 153,962,606.88, 212,466,638.30 and 83,396,886.75 is: 115,086,750.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,962,606.88 : 212,466,638.30 = 83,396,886.75 : x
  2. Step 2: Convert to fraction form
    153,962,606.88/212,466,638.30 = 83,396,886.75/x
  3. Step 3: Cross multiply
    153,962,606.88x = 212,466,638.30 × 83,396,886.75
  4. Step 4: Simplify right side
    153,962,606.88x = 17,719,056,172,458,314
  5. Step 5: Solve for x
    x = 17,719,056,172,458,314/153,962,606.88
  6. Step 6: Final answer
    x = 115,086,750.81

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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.