Home / 56,681,077.19-78,217,370.21-31,564,481.96

Finding the Fourth Proportional to 56,681,077.19, 78,217,370.21 and 31,564,481.96

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Solution

The fourth proportional to 56,681,077.19, 78,217,370.21 and 31,564,481.96 is: 43,557,583.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,681,077.19 : 78,217,370.21 = 31,564,481.96 : x
  2. Step 2: Convert to fraction form
    56,681,077.19/78,217,370.21 = 31,564,481.96/x
  3. Step 3: Cross multiply
    56,681,077.19x = 78,217,370.21 × 31,564,481.96
  4. Step 4: Simplify right side
    56,681,077.19x = 2,468,890,771,226,641
  5. Step 5: Solve for x
    x = 2,468,890,771,226,641/56,681,077.19
  6. Step 6: Final answer
    x = 43,557,583.83

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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.