Home / 56,427,538.68-77,870,856.60-31,653,217.26

Finding the Fourth Proportional to 56,427,538.68, 77,870,856.60 and 31,653,217.26

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Solution

The fourth proportional to 56,427,538.68, 77,870,856.60 and 31,653,217.26 is: 43,681,918.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,427,538.68 : 77,870,856.60 = 31,653,217.26 : x
  2. Step 2: Convert to fraction form
    56,427,538.68/77,870,856.60 = 31,653,217.26/x
  3. Step 3: Cross multiply
    56,427,538.68x = 77,870,856.60 × 31,653,217.26
  4. Step 4: Simplify right side
    56,427,538.68x = 2,464,863,142,182,105
  5. Step 5: Solve for x
    x = 2,464,863,142,182,105/56,427,538.68
  6. Step 6: Final answer
    x = 43,681,918.44

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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.