Home / 91,817,999.20-137,408,134.20-63,120,185.20

Finding the Fourth Proportional to 91,817,999.20, 137,408,134.20 and 63,120,185.20

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Solution

The fourth proportional to 91,817,999.20, 137,408,134.20 and 63,120,185.20 is: 94,461,074.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,817,999.20 : 137,408,134.20 = 63,120,185.20 : x
  2. Step 2: Convert to fraction form
    91,817,999.20/137,408,134.20 = 63,120,185.20/x
  3. Step 3: Cross multiply
    91,817,999.20x = 137,408,134.20 × 63,120,185.20
  4. Step 4: Simplify right side
    91,817,999.20x = 8,673,226,878,690,453
  5. Step 5: Solve for x
    x = 8,673,226,878,690,453/91,817,999.20
  6. Step 6: Final answer
    x = 94,461,074.67

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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.