Home / 97,115,564.40-145,673,346.60-74,440,748.40

Finding the Fourth Proportional to 97,115,564.40, 145,673,346.60 and 74,440,748.40

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Solution

The fourth proportional to 97,115,564.40, 145,673,346.60 and 74,440,748.40 is: 111,661,122.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,115,564.40 : 145,673,346.60 = 74,440,748.40 : x
  2. Step 2: Convert to fraction form
    97,115,564.40/145,673,346.60 = 74,440,748.40/x
  3. Step 3: Cross multiply
    97,115,564.40x = 145,673,346.60 × 74,440,748.40
  4. Step 4: Simplify right side
    97,115,564.40x = 10,844,032,942,836,596
  5. Step 5: Solve for x
    x = 10,844,032,942,836,596/97,115,564.40
  6. Step 6: Final answer
    x = 111,661,122.60

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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.