Home / 165,725,642.40-248,588,463.60-105,408,765.60

Finding the Fourth Proportional to 165,725,642.40, 248,588,463.60 and 105,408,765.60

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Solution

The fourth proportional to 165,725,642.40, 248,588,463.60 and 105,408,765.60 is: 158,113,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,725,642.40 : 248,588,463.60 = 105,408,765.60 : x
  2. Step 2: Convert to fraction form
    165,725,642.40/248,588,463.60 = 105,408,765.60/x
  3. Step 3: Cross multiply
    165,725,642.40x = 248,588,463.60 × 105,408,765.60
  4. Step 4: Simplify right side
    165,725,642.40x = 26,203,403,090,476,532
  5. Step 5: Solve for x
    x = 26,203,403,090,476,532/165,725,642.40
  6. Step 6: Final answer
    x = 158,113,148.40

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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.