Home / 384,912,077.80-577,390,235.10-112,324,916.20

Finding the Fourth Proportional to 384,912,077.80, 577,390,235.10 and 112,324,916.20

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Solution

The fourth proportional to 384,912,077.80, 577,390,235.10 and 112,324,916.20 is: 168,493,828.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,077.80 : 577,390,235.10 = 112,324,916.20 : x
  2. Step 2: Convert to fraction form
    384,912,077.80/577,390,235.10 = 112,324,916.20/x
  3. Step 3: Cross multiply
    384,912,077.80x = 577,390,235.10 × 112,324,916.20
  4. Step 4: Simplify right side
    384,912,077.80x = 64,855,309,772,305,800
  5. Step 5: Solve for x
    x = 64,855,309,772,305,800/384,912,077.80
  6. Step 6: Final answer
    x = 168,493,828.88

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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.