Home / 56,427,488.68-77,870,787.60-31,653,167.28

Finding the Fourth Proportional to 56,427,488.68, 77,870,787.60 and 31,653,167.28

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Solution

The fourth proportional to 56,427,488.68, 77,870,787.60 and 31,653,167.28 is: 43,681,849.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,427,488.68 : 77,870,787.60 = 31,653,167.28 : x
  2. Step 2: Convert to fraction form
    56,427,488.68/77,870,787.60 = 31,653,167.28/x
  3. Step 3: Cross multiply
    56,427,488.68x = 77,870,787.60 × 31,653,167.28
  4. Step 4: Simplify right side
    56,427,488.68x = 2,464,857,066,128,149.50
  5. Step 5: Solve for x
    x = 2,464,857,066,128,149.50/56,427,488.68
  6. Step 6: Final answer
    x = 43,681,849.46

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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.