Home / 165,967,127.84-229,137,999.84-105,650,154.72

Finding the Fourth Proportional to 165,967,127.84, 229,137,999.84 and 105,650,154.72

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Solution

The fourth proportional to 165,967,127.84, 229,137,999.84 and 105,650,154.72 is: 145,863,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,967,127.84 : 229,137,999.84 = 105,650,154.72 : x
  2. Step 2: Convert to fraction form
    165,967,127.84/229,137,999.84 = 105,650,154.72/x
  3. Step 3: Cross multiply
    165,967,127.84x = 229,137,999.84 × 105,650,154.72
  4. Step 4: Simplify right side
    165,967,127.84x = 24,208,465,135,327,336
  5. Step 5: Solve for x
    x = 24,208,465,135,327,336/165,967,127.84
  6. Step 6: Final answer
    x = 145,863,011.85

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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.