Home / 288,018,245.09-397,338,517.98-168,880,025.85

Finding the Fourth Proportional to 288,018,245.09, 397,338,517.98 and 168,880,025.85

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Solution

The fourth proportional to 288,018,245.09, 397,338,517.98 and 168,880,025.85 is: 232,980,168.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,018,245.09 : 397,338,517.98 = 168,880,025.85 : x
  2. Step 2: Convert to fraction form
    288,018,245.09/397,338,517.98 = 168,880,025.85/x
  3. Step 3: Cross multiply
    288,018,245.09x = 397,338,517.98 × 168,880,025.85
  4. Step 4: Simplify right side
    288,018,245.09x = 67,102,539,187,663,088
  5. Step 5: Solve for x
    x = 67,102,539,187,663,088/288,018,245.09
  6. Step 6: Final answer
    x = 232,980,168.21

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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.