Home / 109,705,660.20-151,409,234.16-67,903,133.76

Finding the Fourth Proportional to 109,705,660.20, 151,409,234.16 and 67,903,133.76

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Solution

The fourth proportional to 109,705,660.20, 151,409,234.16 and 67,903,133.76 is: 93,715,870.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,705,660.20 : 151,409,234.16 = 67,903,133.76 : x
  2. Step 2: Convert to fraction form
    109,705,660.20/151,409,234.16 = 67,903,133.76/x
  3. Step 3: Cross multiply
    109,705,660.20x = 151,409,234.16 × 67,903,133.76
  4. Step 4: Simplify right side
    109,705,660.20x = 10,281,161,479,665,642
  5. Step 5: Solve for x
    x = 10,281,161,479,665,642/109,705,660.20
  6. Step 6: Final answer
    x = 93,715,870.82

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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.