Home / 66,653,156.70-91,944,305.55-38,772,729.90

Finding the Fourth Proportional to 66,653,156.70, 91,944,305.55 and 38,772,729.90

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Solution

The fourth proportional to 66,653,156.70, 91,944,305.55 and 38,772,729.90 is: 53,484,814.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,653,156.70 : 91,944,305.55 = 38,772,729.90 : x
  2. Step 2: Convert to fraction form
    66,653,156.70/91,944,305.55 = 38,772,729.90/x
  3. Step 3: Cross multiply
    66,653,156.70x = 91,944,305.55 × 38,772,729.90
  4. Step 4: Simplify right side
    66,653,156.70x = 3,564,931,724,933,220.50
  5. Step 5: Solve for x
    x = 3,564,931,724,933,220.50/66,653,156.70
  6. Step 6: Final answer
    x = 53,484,814.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.