Home / 48,421,203.60-72,651,269.70-19,669,589.40

Finding the Fourth Proportional to 48,421,203.60, 72,651,269.70 and 19,669,589.40

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Solution

The fourth proportional to 48,421,203.60, 72,651,269.70 and 19,669,589.40 is: 29,512,290.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,421,203.60 : 72,651,269.70 = 19,669,589.40 : x
  2. Step 2: Convert to fraction form
    48,421,203.60/72,651,269.70 = 19,669,589.40/x
  3. Step 3: Cross multiply
    48,421,203.60x = 72,651,269.70 × 19,669,589.40
  4. Step 4: Simplify right side
    48,421,203.60x = 1,429,020,644,387,661.25
  5. Step 5: Solve for x
    x = 1,429,020,644,387,661.25/48,421,203.60
  6. Step 6: Final answer
    x = 29,512,290.86

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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.