Home / 56,166,616.80-84,249,925.20-15,777,100.80

Finding the Fourth Proportional to 56,166,616.80, 84,249,925.20 and 15,777,100.80

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Solution

The fourth proportional to 56,166,616.80, 84,249,925.20 and 15,777,100.80 is: 23,665,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,166,616.80 : 84,249,925.20 = 15,777,100.80 : x
  2. Step 2: Convert to fraction form
    56,166,616.80/84,249,925.20 = 15,777,100.80/x
  3. Step 3: Cross multiply
    56,166,616.80x = 84,249,925.20 × 15,777,100.80
  4. Step 4: Simplify right side
    56,166,616.80x = 1,329,219,562,272,860.25
  5. Step 5: Solve for x
    x = 1,329,219,562,272,860.25/56,166,616.80
  6. Step 6: Final answer
    x = 23,665,651.20

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Similar ratio
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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.