Home / 165,725,642.90-248,588,464.35-105,408,766.10

Finding the Fourth Proportional to 165,725,642.90, 248,588,464.35 and 105,408,766.10

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Solution

The fourth proportional to 165,725,642.90, 248,588,464.35 and 105,408,766.10 is: 158,113,149.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,725,642.90 : 248,588,464.35 = 105,408,766.10 : x
  2. Step 2: Convert to fraction form
    165,725,642.90/248,588,464.35 = 105,408,766.10/x
  3. Step 3: Cross multiply
    165,725,642.90x = 248,588,464.35 × 105,408,766.10
  4. Step 4: Simplify right side
    165,725,642.90x = 26,203,403,293,827,336
  5. Step 5: Solve for x
    x = 26,203,403,293,827,336/165,725,642.90
  6. Step 6: Final answer
    x = 158,113,149.15

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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.