Home / 232,210,528.38-320,378,385.87-131,722,404.12

Finding the Fourth Proportional to 232,210,528.38, 320,378,385.87 and 131,722,404.12

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Solution

The fourth proportional to 232,210,528.38, 320,378,385.87 and 131,722,404.12 is: 181,735,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,210,528.38 : 320,378,385.87 = 131,722,404.12 : x
  2. Step 2: Convert to fraction form
    232,210,528.38/320,378,385.87 = 131,722,404.12/x
  3. Step 3: Cross multiply
    232,210,528.38x = 320,378,385.87 × 131,722,404.12
  4. Step 4: Simplify right side
    232,210,528.38x = 42,201,011,214,881,440
  5. Step 5: Solve for x
    x = 42,201,011,214,881,440/232,210,528.38
  6. Step 6: Final answer
    x = 181,735,994.10

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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.