Home / 209,952,835.80-314,929,253.70-73,638,219.30

Finding the Fourth Proportional to 209,952,835.80, 314,929,253.70 and 73,638,219.30

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Solution

The fourth proportional to 209,952,835.80, 314,929,253.70 and 73,638,219.30 is: 110,457,328.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,835.80 : 314,929,253.70 = 73,638,219.30 : x
  2. Step 2: Convert to fraction form
    209,952,835.80/314,929,253.70 = 73,638,219.30/x
  3. Step 3: Cross multiply
    209,952,835.80x = 314,929,253.70 × 73,638,219.30
  4. Step 4: Simplify right side
    209,952,835.80x = 23,190,829,447,945,936
  5. Step 5: Solve for x
    x = 23,190,829,447,945,936/209,952,835.80
  6. Step 6: Final answer
    x = 110,457,328.95

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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.