Home / 109,564,989.60-164,335,042.80-28,794,122.40

Finding the Fourth Proportional to 109,564,989.60, 164,335,042.80 and 28,794,122.40

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Solution

The fourth proportional to 109,564,989.60, 164,335,042.80 and 28,794,122.40 is: 43,187,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,564,989.60 : 164,335,042.80 = 28,794,122.40 : x
  2. Step 2: Convert to fraction form
    109,564,989.60/164,335,042.80 = 28,794,122.40/x
  3. Step 3: Cross multiply
    109,564,989.60x = 164,335,042.80 × 28,794,122.40
  4. Step 4: Simplify right side
    109,564,989.60x = 4,731,883,336,992,439
  5. Step 5: Solve for x
    x = 4,731,883,336,992,439/109,564,989.60
  6. Step 6: Final answer
    x = 43,187,913.90

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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.