Home / 109,380,852.60-164,058,837.30-28,609,985.40

Finding the Fourth Proportional to 109,380,852.60, 164,058,837.30 and 28,609,985.40

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Solution

The fourth proportional to 109,380,852.60, 164,058,837.30 and 28,609,985.40 is: 42,911,723.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,380,852.60 : 164,058,837.30 = 28,609,985.40 : x
  2. Step 2: Convert to fraction form
    109,380,852.60/164,058,837.30 = 28,609,985.40/x
  3. Step 3: Cross multiply
    109,380,852.60x = 164,058,837.30 × 28,609,985.40
  4. Step 4: Simplify right side
    109,380,852.60x = 4,693,720,939,893,976
  5. Step 5: Solve for x
    x = 4,693,720,939,893,976/109,380,852.60
  6. Step 6: Final answer
    x = 42,911,723.84

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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.