Home / 115,776,258.80-173,664,388.20-72,694,108.40

Finding the Fourth Proportional to 115,776,258.80, 173,664,388.20 and 72,694,108.40

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Solution

The fourth proportional to 115,776,258.80, 173,664,388.20 and 72,694,108.40 is: 109,041,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,776,258.80 : 173,664,388.20 = 72,694,108.40 : x
  2. Step 2: Convert to fraction form
    115,776,258.80/173,664,388.20 = 72,694,108.40/x
  3. Step 3: Cross multiply
    115,776,258.80x = 173,664,388.20 × 72,694,108.40
  4. Step 4: Simplify right side
    115,776,258.80x = 12,624,377,861,030,482
  5. Step 5: Solve for x
    x = 12,624,377,861,030,482/115,776,258.80
  6. Step 6: Final answer
    x = 109,041,162.60

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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.