Home / 158,288,879.21-237,431,435.29-89,206,895.21

Finding the Fourth Proportional to 158,288,879.21, 237,431,435.29 and 89,206,895.21

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Solution

The fourth proportional to 158,288,879.21, 237,431,435.29 and 89,206,895.21 is: 133,809,281.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,288,879.21 : 237,431,435.29 = 89,206,895.21 : x
  2. Step 2: Convert to fraction form
    158,288,879.21/237,431,435.29 = 89,206,895.21/x
  3. Step 3: Cross multiply
    158,288,879.21x = 237,431,435.29 × 89,206,895.21
  4. Step 4: Simplify right side
    158,288,879.21x = 21,180,521,166,064,752
  5. Step 5: Solve for x
    x = 21,180,521,166,064,752/158,288,879.21
  6. Step 6: Final answer
    x = 133,809,281.31

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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.