Home / 218,313,874.90-327,470,812.36-156,773,007.10

Finding the Fourth Proportional to 218,313,874.90, 327,470,812.36 and 156,773,007.10

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Solution

The fourth proportional to 218,313,874.90, 327,470,812.36 and 156,773,007.10 is: 235,159,510.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,313,874.90 : 327,470,812.36 = 156,773,007.10 : x
  2. Step 2: Convert to fraction form
    218,313,874.90/327,470,812.36 = 156,773,007.10/x
  3. Step 3: Cross multiply
    218,313,874.90x = 327,470,812.36 × 156,773,007.10
  4. Step 4: Simplify right side
    218,313,874.90x = 51,338,583,991,157,048
  5. Step 5: Solve for x
    x = 51,338,583,991,157,048/218,313,874.90
  6. Step 6: Final answer
    x = 235,159,510.66

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1.5x scale

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.