Home / 65,367,009.10-98,050,513.65-55,163,341.90

Finding the Fourth Proportional to 65,367,009.10, 98,050,513.65 and 55,163,341.90

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Solution

The fourth proportional to 65,367,009.10, 98,050,513.65 and 55,163,341.90 is: 82,745,012.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,367,009.10 : 98,050,513.65 = 55,163,341.90 : x
  2. Step 2: Convert to fraction form
    65,367,009.10/98,050,513.65 = 55,163,341.90/x
  3. Step 3: Cross multiply
    65,367,009.10x = 98,050,513.65 × 55,163,341.90
  4. Step 4: Simplify right side
    65,367,009.10x = 5,408,794,007,945,567
  5. Step 5: Solve for x
    x = 5,408,794,007,945,567/65,367,009.10
  6. Step 6: Final answer
    x = 82,745,012.85

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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.