Home / 99,648,225.20-149,472,337.80-45,795,537.20

Finding the Fourth Proportional to 99,648,225.20, 149,472,337.80 and 45,795,537.20

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Solution

The fourth proportional to 99,648,225.20, 149,472,337.80 and 45,795,537.20 is: 68,693,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,648,225.20 : 149,472,337.80 = 45,795,537.20 : x
  2. Step 2: Convert to fraction form
    99,648,225.20/149,472,337.80 = 45,795,537.20/x
  3. Step 3: Cross multiply
    99,648,225.20x = 149,472,337.80 × 45,795,537.20
  4. Step 4: Simplify right side
    99,648,225.20x = 6,845,166,006,090,867
  5. Step 5: Solve for x
    x = 6,845,166,006,090,867/99,648,225.20
  6. Step 6: Final answer
    x = 68,693,305.80

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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.