Home / 47,951,898.04-66,129,462.18-31,426,001.82

Finding the Fourth Proportional to 47,951,898.04, 66,129,462.18 and 31,426,001.82

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Solution

The fourth proportional to 47,951,898.04, 66,129,462.18 and 31,426,001.82 is: 43,338,943.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,951,898.04 : 66,129,462.18 = 31,426,001.82 : x
  2. Step 2: Convert to fraction form
    47,951,898.04/66,129,462.18 = 31,426,001.82/x
  3. Step 3: Cross multiply
    47,951,898.04x = 66,129,462.18 × 31,426,001.82
  4. Step 4: Simplify right side
    47,951,898.04x = 2,078,184,598,824,301.25
  5. Step 5: Solve for x
    x = 2,078,184,598,824,301.25/47,951,898.04
  6. Step 6: Final answer
    x = 43,338,943.48

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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.