Home / 56,178,071.40-84,267,107.10-43,423,487.40

Finding the Fourth Proportional to 56,178,071.40, 84,267,107.10 and 43,423,487.40

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Solution

The fourth proportional to 56,178,071.40, 84,267,107.10 and 43,423,487.40 is: 65,135,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,178,071.40 : 84,267,107.10 = 43,423,487.40 : x
  2. Step 2: Convert to fraction form
    56,178,071.40/84,267,107.10 = 43,423,487.40/x
  3. Step 3: Cross multiply
    56,178,071.40x = 84,267,107.10 × 43,423,487.40
  4. Step 4: Simplify right side
    56,178,071.40x = 3,659,171,663,391,300
  5. Step 5: Solve for x
    x = 3,659,171,663,391,300/56,178,071.40
  6. Step 6: Final answer
    x = 65,135,231.10

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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.