Home / 114,927,009.90-172,474,495.65-80,914,785.90

Finding the Fourth Proportional to 114,927,009.90, 172,474,495.65 and 80,914,785.90

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Solution

The fourth proportional to 114,927,009.90, 172,474,495.65 and 80,914,785.90 is: 121,431,305.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,927,009.90 : 172,474,495.65 = 80,914,785.90 : x
  2. Step 2: Convert to fraction form
    114,927,009.90/172,474,495.65 = 80,914,785.90/x
  3. Step 3: Cross multiply
    114,927,009.90x = 172,474,495.65 × 80,914,785.90
  4. Step 4: Simplify right side
    114,927,009.90x = 13,955,736,888,730,232
  5. Step 5: Solve for x
    x = 13,955,736,888,730,232/114,927,009.90
  6. Step 6: Final answer
    x = 121,431,305.84

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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.