Home / 147,822,238.51-203,996,010.90-81,747,182.53

Finding the Fourth Proportional to 147,822,238.51, 203,996,010.90 and 81,747,182.53

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Solution

The fourth proportional to 147,822,238.51, 203,996,010.90 and 81,747,182.53 is: 112,811,842.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,822,238.51 : 203,996,010.90 = 81,747,182.53 : x
  2. Step 2: Convert to fraction form
    147,822,238.51/203,996,010.90 = 81,747,182.53/x
  3. Step 3: Cross multiply
    147,822,238.51x = 203,996,010.90 × 81,747,182.53
  4. Step 4: Simplify right side
    147,822,238.51x = 16,676,099,138,128,548
  5. Step 5: Solve for x
    x = 16,676,099,138,128,548/147,822,238.51
  6. Step 6: Final answer
    x = 112,811,842.83

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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.