Home / 234,441,619.47-351,590,454.77-162,123,128.19

Finding the Fourth Proportional to 234,441,619.47, 351,590,454.77 and 162,123,128.19

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Solution

The fourth proportional to 234,441,619.47, 351,590,454.77 and 162,123,128.19 is: 243,134,919.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,441,619.47 : 351,590,454.77 = 162,123,128.19 : x
  2. Step 2: Convert to fraction form
    234,441,619.47/351,590,454.77 = 162,123,128.19/x
  3. Step 3: Cross multiply
    234,441,619.47x = 351,590,454.77 × 162,123,128.19
  4. Step 4: Simplify right side
    234,441,619.47x = 57,000,944,368,246,488
  5. Step 5: Solve for x
    x = 57,000,944,368,246,488/234,441,619.47
  6. Step 6: Final answer
    x = 243,134,919.89

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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.