Home / 143,744,111.10-215,616,166.65-109,306,734.30

Finding the Fourth Proportional to 143,744,111.10, 215,616,166.65 and 109,306,734.30

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Solution

The fourth proportional to 143,744,111.10, 215,616,166.65 and 109,306,734.30 is: 163,960,101.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,744,111.10 : 215,616,166.65 = 109,306,734.30 : x
  2. Step 2: Convert to fraction form
    143,744,111.10/215,616,166.65 = 109,306,734.30/x
  3. Step 3: Cross multiply
    143,744,111.10x = 215,616,166.65 × 109,306,734.30
  4. Step 4: Simplify right side
    143,744,111.10x = 23,568,299,038,796,072
  5. Step 5: Solve for x
    x = 23,568,299,038,796,072/143,744,111.10
  6. Step 6: Final answer
    x = 163,960,101.45

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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.