Home / 162,379,415.80-243,569,123.70-146,255,102.20

Finding the Fourth Proportional to 162,379,415.80, 243,569,123.70 and 146,255,102.20

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Solution

The fourth proportional to 162,379,415.80, 243,569,123.70 and 146,255,102.20 is: 219,382,653.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,379,415.80 : 243,569,123.70 = 146,255,102.20 : x
  2. Step 2: Convert to fraction form
    162,379,415.80/243,569,123.70 = 146,255,102.20/x
  3. Step 3: Cross multiply
    162,379,415.80x = 243,569,123.70 × 146,255,102.20
  4. Step 4: Simplify right side
    162,379,415.80x = 35,623,227,079,507,936
  5. Step 5: Solve for x
    x = 35,623,227,079,507,936/162,379,415.80
  6. Step 6: Final answer
    x = 219,382,653.30

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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.