Home / 79,718,404.80-119,577,607.20-19,134,130.80

Finding the Fourth Proportional to 79,718,404.80, 119,577,607.20 and 19,134,130.80

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Solution

The fourth proportional to 79,718,404.80, 119,577,607.20 and 19,134,130.80 is: 28,701,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,718,404.80 : 119,577,607.20 = 19,134,130.80 : x
  2. Step 2: Convert to fraction form
    79,718,404.80/119,577,607.20 = 19,134,130.80/x
  3. Step 3: Cross multiply
    79,718,404.80x = 119,577,607.20 × 19,134,130.80
  4. Step 4: Simplify right side
    79,718,404.80x = 2,288,013,576,915,822
  5. Step 5: Solve for x
    x = 2,288,013,576,915,822/79,718,404.80
  6. Step 6: Final answer
    x = 28,701,196.20

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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.