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Finding the Fourth Proportional to 79,731,104.40, 119,384,080.20 and 79,731,104.40

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Solution

The fourth proportional to 79,731,104.40, 119,384,080.20 and 79,731,104.40 is: 119,384,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,731,104.40 : 119,384,080.20 = 79,731,104.40 : x
  2. Step 2: Convert to fraction form
    79,731,104.40/119,384,080.20 = 79,731,104.40/x
  3. Step 3: Cross multiply
    79,731,104.40x = 119,384,080.20 × 79,731,104.40
  4. Step 4: Simplify right side
    79,731,104.40x = 9,518,624,562,124,174
  5. Step 5: Solve for x
    x = 9,518,624,562,124,174/79,731,104.40
  6. Step 6: Final answer
    x = 119,384,080.20

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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.