Home / 211,128,007.47-316,709,245.22-106,029,299.11

Finding the Fourth Proportional to 211,128,007.47, 316,709,245.22 and 106,029,299.11

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Solution

The fourth proportional to 211,128,007.47, 316,709,245.22 and 106,029,299.11 is: 159,052,603.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,128,007.47 : 316,709,245.22 = 106,029,299.11 : x
  2. Step 2: Convert to fraction form
    211,128,007.47/316,709,245.22 = 106,029,299.11/x
  3. Step 3: Cross multiply
    211,128,007.47x = 316,709,245.22 × 106,029,299.11
  4. Step 4: Simplify right side
    211,128,007.47x = 33,580,459,292,333,720
  5. Step 5: Solve for x
    x = 33,580,459,292,333,720/211,128,007.47
  6. Step 6: Final answer
    x = 159,052,603.65

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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.