Home / 108,974,428.80-163,380,286.80-65,834,541.60

Finding the Fourth Proportional to 108,974,428.80, 163,380,286.80 and 65,834,541.60

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Solution

The fourth proportional to 108,974,428.80, 163,380,286.80 and 65,834,541.60 is: 98,702,662.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,974,428.80 : 163,380,286.80 = 65,834,541.60 : x
  2. Step 2: Convert to fraction form
    108,974,428.80/163,380,286.80 = 65,834,541.60/x
  3. Step 3: Cross multiply
    108,974,428.80x = 163,380,286.80 × 65,834,541.60
  4. Step 4: Simplify right side
    108,974,428.80x = 10,756,066,287,954,532
  5. Step 5: Solve for x
    x = 10,756,066,287,954,532/108,974,428.80
  6. Step 6: Final answer
    x = 98,702,662.69

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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.