Home / 161,700,900.42-242,551,322.92-51,114,200.70

Finding the Fourth Proportional to 161,700,900.42, 242,551,322.92 and 51,114,200.70

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Solution

The fourth proportional to 161,700,900.42, 242,551,322.92 and 51,114,200.70 is: 76,671,292.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,700,900.42 : 242,551,322.92 = 51,114,200.70 : x
  2. Step 2: Convert to fraction form
    161,700,900.42/242,551,322.92 = 51,114,200.70/x
  3. Step 3: Cross multiply
    161,700,900.42x = 242,551,322.92 × 51,114,200.70
  4. Step 4: Simplify right side
    161,700,900.42x = 12,397,816,999,783,390
  5. Step 5: Solve for x
    x = 12,397,816,999,783,390/161,700,900.42
  6. Step 6: Final answer
    x = 76,671,292.29

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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.