Home / 147,092,929.72-202,980,273.77-81,000,506.68

Finding the Fourth Proportional to 147,092,929.72, 202,980,273.77 and 81,000,506.68

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Solution

The fourth proportional to 147,092,929.72, 202,980,273.77 and 81,000,506.68 is: 111,776,310.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,092,929.72 : 202,980,273.77 = 81,000,506.68 : x
  2. Step 2: Convert to fraction form
    147,092,929.72/202,980,273.77 = 81,000,506.68/x
  3. Step 3: Cross multiply
    147,092,929.72x = 202,980,273.77 × 81,000,506.68
  4. Step 4: Simplify right side
    147,092,929.72x = 16,441,505,021,110,164
  5. Step 5: Solve for x
    x = 16,441,505,021,110,164/147,092,929.72
  6. Step 6: Final answer
    x = 111,776,310.75

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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.