Home / 109,242,987.28-163,750,018.56-50,902,566.64

Finding the Fourth Proportional to 109,242,987.28, 163,750,018.56 and 50,902,566.64

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Solution

The fourth proportional to 109,242,987.28, 163,750,018.56 and 50,902,566.64 is: 76,300,515.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,242,987.28 : 163,750,018.56 = 50,902,566.64 : x
  2. Step 2: Convert to fraction form
    109,242,987.28/163,750,018.56 = 50,902,566.64/x
  3. Step 3: Cross multiply
    109,242,987.28x = 163,750,018.56 × 50,902,566.64
  4. Step 4: Simplify right side
    109,242,987.28x = 8,335,296,232,051,637
  5. Step 5: Solve for x
    x = 8,335,296,232,051,637/109,242,987.28
  6. Step 6: Final answer
    x = 76,300,515.39

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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.