Home / 76,078,047.84-114,116,677.92-18,570,620.32

Finding the Fourth Proportional to 76,078,047.84, 114,116,677.92 and 18,570,620.32

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Solution

The fourth proportional to 76,078,047.84, 114,116,677.92 and 18,570,620.32 is: 27,855,834.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,078,047.84 : 114,116,677.92 = 18,570,620.32 : x
  2. Step 2: Convert to fraction form
    76,078,047.84/114,116,677.92 = 18,570,620.32/x
  3. Step 3: Cross multiply
    76,078,047.84x = 114,116,677.92 × 18,570,620.32
  4. Step 4: Simplify right side
    76,078,047.84x = 2,119,217,497,832,047.50
  5. Step 5: Solve for x
    x = 2,119,217,497,832,047.50/76,078,047.84
  6. Step 6: Final answer
    x = 27,855,834.34

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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.