Home / 109,946,221.20-164,919,331.80-73,117,359.90

Finding the Fourth Proportional to 109,946,221.20, 164,919,331.80 and 73,117,359.90

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Solution

The fourth proportional to 109,946,221.20, 164,919,331.80 and 73,117,359.90 is: 109,676,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,946,221.20 : 164,919,331.80 = 73,117,359.90 : x
  2. Step 2: Convert to fraction form
    109,946,221.20/164,919,331.80 = 73,117,359.90/x
  3. Step 3: Cross multiply
    109,946,221.20x = 164,919,331.80 × 73,117,359.90
  4. Step 4: Simplify right side
    109,946,221.20x = 12,058,466,137,688,116
  5. Step 5: Solve for x
    x = 12,058,466,137,688,116/109,946,221.20
  6. Step 6: Final answer
    x = 109,676,039.85

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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.