Home / 79,959,895.04-119,939,859.12-28,841,908.32

Finding the Fourth Proportional to 79,959,895.04, 119,939,859.12 and 28,841,908.32

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Solution

The fourth proportional to 79,959,895.04, 119,939,859.12 and 28,841,908.32 is: 43,262,868.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,959,895.04 : 119,939,859.12 = 28,841,908.32 : x
  2. Step 2: Convert to fraction form
    79,959,895.04/119,939,859.12 = 28,841,908.32/x
  3. Step 3: Cross multiply
    79,959,895.04x = 119,939,859.12 × 28,841,908.32
  4. Step 4: Simplify right side
    79,959,895.04x = 3,459,294,420,652,756
  5. Step 5: Solve for x
    x = 3,459,294,420,652,756/79,959,895.04
  6. Step 6: Final answer
    x = 43,262,868.45

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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.