Home / 56,771,229.12-78,344,326.32-30,665,746.44

Finding the Fourth Proportional to 56,771,229.12, 78,344,326.32 and 30,665,746.44

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Solution

The fourth proportional to 56,771,229.12, 78,344,326.32 and 30,665,746.44 is: 42,318,746.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,771,229.12 : 78,344,326.32 = 30,665,746.44 : x
  2. Step 2: Convert to fraction form
    56,771,229.12/78,344,326.32 = 30,665,746.44/x
  3. Step 3: Cross multiply
    56,771,229.12x = 78,344,326.32 × 30,665,746.44
  4. Step 4: Simplify right side
    56,771,229.12x = 2,402,487,245,941,738
  5. Step 5: Solve for x
    x = 2,402,487,245,941,738/56,771,229.12
  6. Step 6: Final answer
    x = 42,318,746.36

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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.