Home / 306,460,228.10-422,924,087.31-167,239,963.40

Finding the Fourth Proportional to 306,460,228.10, 422,924,087.31 and 167,239,963.40

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Solution

The fourth proportional to 306,460,228.10, 422,924,087.31 and 167,239,963.40 is: 230,796,045.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,460,228.10 : 422,924,087.31 = 167,239,963.40 : x
  2. Step 2: Convert to fraction form
    306,460,228.10/422,924,087.31 = 167,239,963.40/x
  3. Step 3: Cross multiply
    306,460,228.10x = 422,924,087.31 × 167,239,963.40
  4. Step 4: Simplify right side
    306,460,228.10x = 70,729,808,882,702,808
  5. Step 5: Solve for x
    x = 70,729,808,882,702,808/306,460,228.10
  6. Step 6: Final answer
    x = 230,796,045.94

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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.