Home / 42,228,970.80-63,375,301.32-30,898,651.44

Finding the Fourth Proportional to 42,228,970.80, 63,375,301.32 and 30,898,651.44

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Solution

The fourth proportional to 42,228,970.80, 63,375,301.32 and 30,898,651.44 is: 46,371,278.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,228,970.80 : 63,375,301.32 = 30,898,651.44 : x
  2. Step 2: Convert to fraction form
    42,228,970.80/63,375,301.32 = 30,898,651.44/x
  3. Step 3: Cross multiply
    42,228,970.80x = 63,375,301.32 × 30,898,651.44
  4. Step 4: Simplify right side
    42,228,970.80x = 1,958,211,345,391,652
  5. Step 5: Solve for x
    x = 1,958,211,345,391,652/42,228,970.80
  6. Step 6: Final answer
    x = 46,371,278.02

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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.