Home / 162,379,401.80-243,569,102.70-146,255,088.20

Finding the Fourth Proportional to 162,379,401.80, 243,569,102.70 and 146,255,088.20

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Solution

The fourth proportional to 162,379,401.80, 243,569,102.70 and 146,255,088.20 is: 219,382,632.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,379,401.80 : 243,569,102.70 = 146,255,088.20 : x
  2. Step 2: Convert to fraction form
    162,379,401.80/243,569,102.70 = 146,255,088.20/x
  3. Step 3: Cross multiply
    162,379,401.80x = 243,569,102.70 × 146,255,088.20
  4. Step 4: Simplify right side
    162,379,401.80x = 35,623,220,598,183,352
  5. Step 5: Solve for x
    x = 35,623,220,598,183,352/162,379,401.80
  6. Step 6: Final answer
    x = 219,382,632.30

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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.