Home / 56,712,823.10-85,069,234.65-18,378,212.30

Finding the Fourth Proportional to 56,712,823.10, 85,069,234.65 and 18,378,212.30

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Solution

The fourth proportional to 56,712,823.10, 85,069,234.65 and 18,378,212.30 is: 27,567,318.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,712,823.10 : 85,069,234.65 = 18,378,212.30 : x
  2. Step 2: Convert to fraction form
    56,712,823.10/85,069,234.65 = 18,378,212.30/x
  3. Step 3: Cross multiply
    56,712,823.10x = 85,069,234.65 × 18,378,212.30
  4. Step 4: Simplify right side
    56,712,823.10x = 1,563,420,454,596,216.25
  5. Step 5: Solve for x
    x = 1,563,420,454,596,216.25/56,712,823.10
  6. Step 6: Final answer
    x = 27,567,318.45

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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.