Home / 202,464,765.34-279,399,985.17-109,643,149.06

Finding the Fourth Proportional to 202,464,765.34, 279,399,985.17 and 109,643,149.06

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Solution

The fourth proportional to 202,464,765.34, 279,399,985.17 and 109,643,149.06 is: 151,306,792.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,464,765.34 : 279,399,985.17 = 109,643,149.06 : x
  2. Step 2: Convert to fraction form
    202,464,765.34/279,399,985.17 = 109,643,149.06/x
  3. Step 3: Cross multiply
    202,464,765.34x = 279,399,985.17 × 109,643,149.06
  4. Step 4: Simplify right side
    202,464,765.34x = 30,634,294,220,246,436
  5. Step 5: Solve for x
    x = 30,634,294,220,246,436/202,464,765.34
  6. Step 6: Final answer
    x = 151,306,792.41

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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.