Home / 109,848,203.20-164,961,261.60-77,725,547.20

Finding the Fourth Proportional to 109,848,203.20, 164,961,261.60 and 77,725,547.20

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Solution

The fourth proportional to 109,848,203.20, 164,961,261.60 and 77,725,547.20 is: 116,722,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,848,203.20 : 164,961,261.60 = 77,725,547.20 : x
  2. Step 2: Convert to fraction form
    109,848,203.20/164,961,261.60 = 77,725,547.20/x
  3. Step 3: Cross multiply
    109,848,203.20x = 164,961,261.60 × 77,725,547.20
  4. Step 4: Simplify right side
    109,848,203.20x = 12,821,704,324,662,348
  5. Step 5: Solve for x
    x = 12,821,704,324,662,348/109,848,203.20
  6. Step 6: Final answer
    x = 116,722,021.40

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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.