Home / 219,845,087.70-329,767,631.55-76,237,919.70

Finding the Fourth Proportional to 219,845,087.70, 329,767,631.55 and 76,237,919.70

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Solution

The fourth proportional to 219,845,087.70, 329,767,631.55 and 76,237,919.70 is: 114,356,879.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,845,087.70 : 329,767,631.55 = 76,237,919.70 : x
  2. Step 2: Convert to fraction form
    219,845,087.70/329,767,631.55 = 76,237,919.70/x
  3. Step 3: Cross multiply
    219,845,087.70x = 329,767,631.55 × 76,237,919.70
  4. Step 4: Simplify right side
    219,845,087.70x = 25,140,798,213,768,088
  5. Step 5: Solve for x
    x = 25,140,798,213,768,088/219,845,087.70
  6. Step 6: Final answer
    x = 114,356,879.55

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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.