Home / 99,795,543.40-149,715,087.90-56,685,399.40

Finding the Fourth Proportional to 99,795,543.40, 149,715,087.90 and 56,685,399.40

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Solution

The fourth proportional to 99,795,543.40, 149,715,087.90 and 56,685,399.40 is: 85,040,466.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,795,543.40 : 149,715,087.90 = 56,685,399.40 : x
  2. Step 2: Convert to fraction form
    99,795,543.40/149,715,087.90 = 56,685,399.40/x
  3. Step 3: Cross multiply
    99,795,543.40x = 149,715,087.90 × 56,685,399.40
  4. Step 4: Simplify right side
    99,795,543.40x = 8,486,659,553,817,607
  5. Step 5: Solve for x
    x = 8,486,659,553,817,607/99,795,543.40
  6. Step 6: Final answer
    x = 85,040,466.38

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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.