Home / 124,400,536.80-186,600,805.20-79,162,879.20

Finding the Fourth Proportional to 124,400,536.80, 186,600,805.20 and 79,162,879.20

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Solution

The fourth proportional to 124,400,536.80, 186,600,805.20 and 79,162,879.20 is: 118,744,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,400,536.80 : 186,600,805.20 = 79,162,879.20 : x
  2. Step 2: Convert to fraction form
    124,400,536.80/186,600,805.20 = 79,162,879.20/x
  3. Step 3: Cross multiply
    124,400,536.80x = 186,600,805.20 × 79,162,879.20
  4. Step 4: Simplify right side
    124,400,536.80x = 14,771,857,000,670,332
  5. Step 5: Solve for x
    x = 14,771,857,000,670,332/124,400,536.80
  6. Step 6: Final answer
    x = 118,744,318.80

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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.