Home / 137,887,777.12-190,285,043.16-75,163,995.04

Finding the Fourth Proportional to 137,887,777.12, 190,285,043.16 and 75,163,995.04

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Solution

The fourth proportional to 137,887,777.12, 190,285,043.16 and 75,163,995.04 is: 103,726,264.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,887,777.12 : 190,285,043.16 = 75,163,995.04 : x
  2. Step 2: Convert to fraction form
    137,887,777.12/190,285,043.16 = 75,163,995.04/x
  3. Step 3: Cross multiply
    137,887,777.12x = 190,285,043.16 × 75,163,995.04
  4. Step 4: Simplify right side
    137,887,777.12x = 14,302,584,040,264,426
  5. Step 5: Solve for x
    x = 14,302,584,040,264,426/137,887,777.12
  6. Step 6: Final answer
    x = 103,726,264.50

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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.