Home / 74,743,800.30-112,115,700.45-73,232,145.90

Finding the Fourth Proportional to 74,743,800.30, 112,115,700.45 and 73,232,145.90

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Solution

The fourth proportional to 74,743,800.30, 112,115,700.45 and 73,232,145.90 is: 109,848,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,743,800.30 : 112,115,700.45 = 73,232,145.90 : x
  2. Step 2: Convert to fraction form
    74,743,800.30/112,115,700.45 = 73,232,145.90/x
  3. Step 3: Cross multiply
    74,743,800.30x = 112,115,700.45 × 73,232,145.90
  4. Step 4: Simplify right side
    74,743,800.30x = 8,210,473,333,035,097
  5. Step 5: Solve for x
    x = 8,210,473,333,035,097/74,743,800.30
  6. Step 6: Final answer
    x = 109,848,218.85

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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.