Home / 109,156,976.10-163,735,464.15-54,577,985.40

Finding the Fourth Proportional to 109,156,976.10, 163,735,464.15 and 54,577,985.40

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Solution

The fourth proportional to 109,156,976.10, 163,735,464.15 and 54,577,985.40 is: 81,866,978.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,156,976.10 : 163,735,464.15 = 54,577,985.40 : x
  2. Step 2: Convert to fraction form
    109,156,976.10/163,735,464.15 = 54,577,985.40/x
  3. Step 3: Cross multiply
    109,156,976.10x = 163,735,464.15 × 54,577,985.40
  4. Step 4: Simplify right side
    109,156,976.10x = 8,936,351,771,840,923
  5. Step 5: Solve for x
    x = 8,936,351,771,840,923/109,156,976.10
  6. Step 6: Final answer
    x = 81,866,978.10

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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.