Home / 53,145,607.20-79,718,410.80-12,756,091.20

Finding the Fourth Proportional to 53,145,607.20, 79,718,410.80 and 12,756,091.20

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Solution

The fourth proportional to 53,145,607.20, 79,718,410.80 and 12,756,091.20 is: 19,134,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,145,607.20 : 79,718,410.80 = 12,756,091.20 : x
  2. Step 2: Convert to fraction form
    53,145,607.20/79,718,410.80 = 12,756,091.20/x
  3. Step 3: Cross multiply
    53,145,607.20x = 79,718,410.80 × 12,756,091.20
  4. Step 4: Simplify right side
    53,145,607.20x = 1,016,895,318,483,864.88
  5. Step 5: Solve for x
    x = 1,016,895,318,483,864.88/53,145,607.20
  6. Step 6: Final answer
    x = 19,134,136.80

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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.