Home / 218,823,309.70-328,234,964.55-167,804,973.70

Finding the Fourth Proportional to 218,823,309.70, 328,234,964.55 and 167,804,973.70

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Solution

The fourth proportional to 218,823,309.70, 328,234,964.55 and 167,804,973.70 is: 251,707,460.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,823,309.70 : 328,234,964.55 = 167,804,973.70 : x
  2. Step 2: Convert to fraction form
    218,823,309.70/328,234,964.55 = 167,804,973.70/x
  3. Step 3: Cross multiply
    218,823,309.70x = 328,234,964.55 × 167,804,973.70
  4. Step 4: Simplify right side
    218,823,309.70x = 55,079,459,593,733,184
  5. Step 5: Solve for x
    x = 55,079,459,593,733,184/218,823,309.70
  6. Step 6: Final answer
    x = 251,707,460.55

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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.