Home / 117,392,005.80-176,088,008.70-74,309,855.40

Finding the Fourth Proportional to 117,392,005.80, 176,088,008.70 and 74,309,855.40

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Solution

The fourth proportional to 117,392,005.80, 176,088,008.70 and 74,309,855.40 is: 111,464,783.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,392,005.80 : 176,088,008.70 = 74,309,855.40 : x
  2. Step 2: Convert to fraction form
    117,392,005.80/176,088,008.70 = 74,309,855.40/x
  3. Step 3: Cross multiply
    117,392,005.80x = 176,088,008.70 × 74,309,855.40
  4. Step 4: Simplify right side
    117,392,005.80x = 13,085,074,464,170,942
  5. Step 5: Solve for x
    x = 13,085,074,464,170,942/117,392,005.80
  6. Step 6: Final answer
    x = 111,464,783.10

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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.