Home / 108,974,495.80-163,380,387.30-65,834,608.60

Finding the Fourth Proportional to 108,974,495.80, 163,380,387.30 and 65,834,608.60

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Solution

The fourth proportional to 108,974,495.80, 163,380,387.30 and 65,834,608.60 is: 98,702,763.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,974,495.80 : 163,380,387.30 = 65,834,608.60 : x
  2. Step 2: Convert to fraction form
    108,974,495.80/163,380,387.30 = 65,834,608.60/x
  3. Step 3: Cross multiply
    108,974,495.80x = 163,380,387.30 × 65,834,608.60
  4. Step 4: Simplify right side
    108,974,495.80x = 10,756,083,850,811,912
  5. Step 5: Solve for x
    x = 10,756,083,850,811,912/108,974,495.80
  6. Step 6: Final answer
    x = 98,702,763.17

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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.