Home / 121,795,618-182,727,139.67-56,236,815.67

Finding the Fourth Proportional to 121,795,618, 182,727,139.67 and 56,236,815.67

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Solution

The fourth proportional to 121,795,618, 182,727,139.67 and 56,236,815.67 is: 84,370,789.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,795,618 : 182,727,139.67 = 56,236,815.67 : x
  2. Step 2: Convert to fraction form
    121,795,618/182,727,139.67 = 56,236,815.67/x
  3. Step 3: Cross multiply
    121,795,618x = 182,727,139.67 × 56,236,815.67
  4. Step 4: Simplify right side
    121,795,618x = 10,275,992,471,528,134
  5. Step 5: Solve for x
    x = 10,275,992,471,528,134/121,795,618
  6. Step 6: Final answer
    x = 84,370,789.69

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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.