Home / 114,937,405.10-172,406,107.65-80,500,028.30

Finding the Fourth Proportional to 114,937,405.10, 172,406,107.65 and 80,500,028.30

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Solution

The fourth proportional to 114,937,405.10, 172,406,107.65 and 80,500,028.30 is: 120,750,042.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,937,405.10 : 172,406,107.65 = 80,500,028.30 : x
  2. Step 2: Convert to fraction form
    114,937,405.10/172,406,107.65 = 80,500,028.30/x
  3. Step 3: Cross multiply
    114,937,405.10x = 172,406,107.65 × 80,500,028.30
  4. Step 4: Simplify right side
    114,937,405.10x = 13,878,696,544,917,846
  5. Step 5: Solve for x
    x = 13,878,696,544,917,846/114,937,405.10
  6. Step 6: Final answer
    x = 120,750,042.45

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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.