Home / 109,705,661.20-151,409,235.54-67,903,134.76

Finding the Fourth Proportional to 109,705,661.20, 151,409,235.54 and 67,903,134.76

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Solution

The fourth proportional to 109,705,661.20, 151,409,235.54 and 67,903,134.76 is: 93,715,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,705,661.20 : 151,409,235.54 = 67,903,134.76 : x
  2. Step 2: Convert to fraction form
    109,705,661.20/151,409,235.54 = 67,903,134.76/x
  3. Step 3: Cross multiply
    109,705,661.20x = 151,409,235.54 × 67,903,134.76
  4. Step 4: Simplify right side
    109,705,661.20x = 10,281,161,724,781,202
  5. Step 5: Solve for x
    x = 10,281,161,724,781,202/109,705,661.20
  6. Step 6: Final answer
    x = 93,715,872.20

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1.5x scale

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.