Home / 114,934,090.40-172,485,116.40-80,921,866.40

Finding the Fourth Proportional to 114,934,090.40, 172,485,116.40 and 80,921,866.40

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Solution

The fourth proportional to 114,934,090.40, 172,485,116.40 and 80,921,866.40 is: 121,441,928.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,934,090.40 : 172,485,116.40 = 80,921,866.40 : x
  2. Step 2: Convert to fraction form
    114,934,090.40/172,485,116.40 = 80,921,866.40/x
  3. Step 3: Cross multiply
    114,934,090.40x = 172,485,116.40 × 80,921,866.40
  4. Step 4: Simplify right side
    114,934,090.40x = 13,957,817,545,309,250
  5. Step 5: Solve for x
    x = 13,957,817,545,309,250/114,934,090.40
  6. Step 6: Final answer
    x = 121,441,928.12

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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.