Home / 81,287,983.37-112,177,528.13-44,118,264.21

Finding the Fourth Proportional to 81,287,983.37, 112,177,528.13 and 44,118,264.21

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Solution

The fourth proportional to 81,287,983.37, 112,177,528.13 and 44,118,264.21 is: 60,883,264.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,287,983.37 : 112,177,528.13 = 44,118,264.21 : x
  2. Step 2: Convert to fraction form
    81,287,983.37/112,177,528.13 = 44,118,264.21/x
  3. Step 3: Cross multiply
    81,287,983.37x = 112,177,528.13 × 44,118,264.21
  4. Step 4: Simplify right side
    81,287,983.37x = 4,949,077,824,464,047
  5. Step 5: Solve for x
    x = 4,949,077,824,464,047/81,287,983.37
  6. Step 6: Final answer
    x = 60,883,264.90

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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.