Home / 56,776,824-78,352,086.78-30,671,341.29

Finding the Fourth Proportional to 56,776,824, 78,352,086.78 and 30,671,341.29

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Solution

The fourth proportional to 56,776,824, 78,352,086.78 and 30,671,341.29 is: 42,326,488.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,776,824 : 78,352,086.78 = 30,671,341.29 : x
  2. Step 2: Convert to fraction form
    56,776,824/78,352,086.78 = 30,671,341.29/x
  3. Step 3: Cross multiply
    56,776,824x = 78,352,086.78 × 30,671,341.29
  4. Step 4: Simplify right side
    56,776,824x = 2,403,163,594,413,077
  5. Step 5: Solve for x
    x = 2,403,163,594,413,077/56,776,824
  6. Step 6: Final answer
    x = 42,326,488.61

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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.