Home / 97,745,110.80-146,617,666.20-77,440,419.60

Finding the Fourth Proportional to 97,745,110.80, 146,617,666.20 and 77,440,419.60

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Solution

The fourth proportional to 97,745,110.80, 146,617,666.20 and 77,440,419.60 is: 116,160,629.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,745,110.80 : 146,617,666.20 = 77,440,419.60 : x
  2. Step 2: Convert to fraction form
    97,745,110.80/146,617,666.20 = 77,440,419.60/x
  3. Step 3: Cross multiply
    97,745,110.80x = 146,617,666.20 × 77,440,419.60
  4. Step 4: Simplify right side
    97,745,110.80x = 11,354,133,591,300,736
  5. Step 5: Solve for x
    x = 11,354,133,591,300,736/97,745,110.80
  6. Step 6: Final answer
    x = 116,160,629.40

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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.