Home / 66,530,342.10-99,795,513.15-37,765,362.90

Finding the Fourth Proportional to 66,530,342.10, 99,795,513.15 and 37,765,362.90

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Solution

The fourth proportional to 66,530,342.10, 99,795,513.15 and 37,765,362.90 is: 56,648,044.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,530,342.10 : 99,795,513.15 = 37,765,362.90 : x
  2. Step 2: Convert to fraction form
    66,530,342.10/99,795,513.15 = 37,765,362.90/x
  3. Step 3: Cross multiply
    66,530,342.10x = 99,795,513.15 × 37,765,362.90
  4. Step 4: Simplify right side
    66,530,342.10x = 3,768,813,769,901,472
  5. Step 5: Solve for x
    x = 3,768,813,769,901,472/66,530,342.10
  6. Step 6: Final answer
    x = 56,648,044.35

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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.