Home / 119,316,876.14-164,732,935.92-81,702,976.64

Finding the Fourth Proportional to 119,316,876.14, 164,732,935.92 and 81,702,976.64

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Solution

The fourth proportional to 119,316,876.14, 164,732,935.92 and 81,702,976.64 is: 112,801,907.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,316,876.14 : 164,732,935.92 = 81,702,976.64 : x
  2. Step 2: Convert to fraction form
    119,316,876.14/164,732,935.92 = 81,702,976.64/x
  3. Step 3: Cross multiply
    119,316,876.14x = 164,732,935.92 × 81,702,976.64
  4. Step 4: Simplify right side
    119,316,876.14x = 13,459,171,215,310,376
  5. Step 5: Solve for x
    x = 13,459,171,215,310,376/119,316,876.14
  6. Step 6: Final answer
    x = 112,801,907.41

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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.