Home / 154,086,562.24-212,633,757.02-83,520,657.36

Finding the Fourth Proportional to 154,086,562.24, 212,633,757.02 and 83,520,657.36

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Solution

The fourth proportional to 154,086,562.24, 212,633,757.02 and 83,520,657.36 is: 115,255,418.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,086,562.24 : 212,633,757.02 = 83,520,657.36 : x
  2. Step 2: Convert to fraction form
    154,086,562.24/212,633,757.02 = 83,520,657.36/x
  3. Step 3: Cross multiply
    154,086,562.24x = 212,633,757.02 × 83,520,657.36
  4. Step 4: Simplify right side
    154,086,562.24x = 17,759,311,163,236,916
  5. Step 5: Solve for x
    x = 17,759,311,163,236,916/154,086,562.24
  6. Step 6: Final answer
    x = 115,255,418.16

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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.