Home / 79,746,559.12-119,619,838.74-19,162,285.12

Finding the Fourth Proportional to 79,746,559.12, 119,619,838.74 and 19,162,285.12

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Solution

The fourth proportional to 79,746,559.12, 119,619,838.74 and 19,162,285.12 is: 28,743,427.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,746,559.12 : 119,619,838.74 = 19,162,285.12 : x
  2. Step 2: Convert to fraction form
    79,746,559.12/119,619,838.74 = 19,162,285.12/x
  3. Step 3: Cross multiply
    79,746,559.12x = 119,619,838.74 × 19,162,285.12
  4. Step 4: Simplify right side
    79,746,559.12x = 2,292,189,455,346,202
  5. Step 5: Solve for x
    x = 2,292,189,455,346,202/79,746,559.12
  6. Step 6: Final answer
    x = 28,743,427.69

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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.