Home / 219,646,691.60-303,111,602.58-120,529,097.36

Finding the Fourth Proportional to 219,646,691.60, 303,111,602.58 and 120,529,097.36

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Solution

The fourth proportional to 219,646,691.60, 303,111,602.58 and 120,529,097.36 is: 166,329,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,646,691.60 : 303,111,602.58 = 120,529,097.36 : x
  2. Step 2: Convert to fraction form
    219,646,691.60/303,111,602.58 = 120,529,097.36/x
  3. Step 3: Cross multiply
    219,646,691.60x = 303,111,602.58 × 120,529,097.36
  4. Step 4: Simplify right side
    219,646,691.60x = 36,533,767,858,310,448
  5. Step 5: Solve for x
    x = 36,533,767,858,310,448/219,646,691.60
  6. Step 6: Final answer
    x = 166,329,697.90

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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.