Home / 109,459,690.92-151,044,086.34-74,105,579.16

Finding the Fourth Proportional to 109,459,690.92, 151,044,086.34 and 74,105,579.16

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Solution

The fourth proportional to 109,459,690.92, 151,044,086.34 and 74,105,579.16 is: 102,258,734.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,459,690.92 : 151,044,086.34 = 74,105,579.16 : x
  2. Step 2: Convert to fraction form
    109,459,690.92/151,044,086.34 = 74,105,579.16/x
  3. Step 3: Cross multiply
    109,459,690.92x = 151,044,086.34 × 74,105,579.16
  4. Step 4: Simplify right side
    109,459,690.92x = 11,193,209,496,918,744
  5. Step 5: Solve for x
    x = 11,193,209,496,918,744/109,459,690.92
  6. Step 6: Final answer
    x = 102,258,734.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.