Home / 311,312,769.81-429,612,488.22-170,185,695.56

Finding the Fourth Proportional to 311,312,769.81, 429,612,488.22 and 170,185,695.56

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Solution

The fourth proportional to 311,312,769.81, 429,612,488.22 and 170,185,695.56 is: 234,856,733.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,312,769.81 : 429,612,488.22 = 170,185,695.56 : x
  2. Step 2: Convert to fraction form
    311,312,769.81/429,612,488.22 = 170,185,695.56/x
  3. Step 3: Cross multiply
    311,312,769.81x = 429,612,488.22 × 170,185,695.56
  4. Step 4: Simplify right side
    311,312,769.81x = 73,113,900,126,513,296
  5. Step 5: Solve for x
    x = 73,113,900,126,513,296/311,312,769.81
  6. Step 6: Final answer
    x = 234,856,733.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.