Home / 54,663,778.54-75,432,419.67-31,455,159.58

Finding the Fourth Proportional to 54,663,778.54, 75,432,419.67 and 31,455,159.58

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Solution

The fourth proportional to 54,663,778.54, 75,432,419.67 and 31,455,159.58 is: 43,406,051.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,663,778.54 : 75,432,419.67 = 31,455,159.58 : x
  2. Step 2: Convert to fraction form
    54,663,778.54/75,432,419.67 = 31,455,159.58/x
  3. Step 3: Cross multiply
    54,663,778.54x = 75,432,419.67 × 31,455,159.58
  4. Step 4: Simplify right side
    54,663,778.54x = 2,372,738,798,225,381
  5. Step 5: Solve for x
    x = 2,372,738,798,225,381/54,663,778.54
  6. Step 6: Final answer
    x = 43,406,051.71

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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.