Home / 119,915,685.20-179,763,307.32-43,219,943.12

Finding the Fourth Proportional to 119,915,685.20, 179,763,307.32 and 43,219,943.12

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Solution

The fourth proportional to 119,915,685.20, 179,763,307.32 and 43,219,943.12 is: 64,790,189.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,915,685.20 : 179,763,307.32 = 43,219,943.12 : x
  2. Step 2: Convert to fraction form
    119,915,685.20/179,763,307.32 = 43,219,943.12/x
  3. Step 3: Cross multiply
    119,915,685.20x = 179,763,307.32 × 43,219,943.12
  4. Step 4: Simplify right side
    119,915,685.20x = 7,769,359,917,433,479
  5. Step 5: Solve for x
    x = 7,769,359,917,433,479/119,915,685.20
  6. Step 6: Final answer
    x = 64,790,189.08

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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.