Home / 109,152,418.10-163,728,627.15-54,573,427.40

Finding the Fourth Proportional to 109,152,418.10, 163,728,627.15 and 54,573,427.40

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Solution

The fourth proportional to 109,152,418.10, 163,728,627.15 and 54,573,427.40 is: 81,860,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,152,418.10 : 163,728,627.15 = 54,573,427.40 : x
  2. Step 2: Convert to fraction form
    109,152,418.10/163,728,627.15 = 54,573,427.40/x
  3. Step 3: Cross multiply
    109,152,418.10x = 163,728,627.15 × 54,573,427.40
  4. Step 4: Simplify right side
    109,152,418.10x = 8,935,232,347,072,194
  5. Step 5: Solve for x
    x = 8,935,232,347,072,194/109,152,418.10
  6. Step 6: Final answer
    x = 81,860,141.10

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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.