Home / 56,949,555.98-85,406,703.27-20,553,339.32

Finding the Fourth Proportional to 56,949,555.98, 85,406,703.27 and 20,553,339.32

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Solution

The fourth proportional to 56,949,555.98, 85,406,703.27 and 20,553,339.32 is: 30,823,645.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,949,555.98 : 85,406,703.27 = 20,553,339.32 : x
  2. Step 2: Convert to fraction form
    56,949,555.98/85,406,703.27 = 20,553,339.32/x
  3. Step 3: Cross multiply
    56,949,555.98x = 85,406,703.27 × 20,553,339.32
  4. Step 4: Simplify right side
    56,949,555.98x = 1,755,392,952,264,679.50
  5. Step 5: Solve for x
    x = 1,755,392,952,264,679.50/56,949,555.98
  6. Step 6: Final answer
    x = 30,823,645.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.