Home / 139,254,461.20-192,175,763.64-76,532,782.24

Finding the Fourth Proportional to 139,254,461.20, 192,175,763.64 and 76,532,782.24

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Solution

The fourth proportional to 139,254,461.20, 192,175,763.64 and 76,532,782.24 is: 105,617,771.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,254,461.20 : 192,175,763.64 = 76,532,782.24 : x
  2. Step 2: Convert to fraction form
    139,254,461.20/192,175,763.64 = 76,532,782.24/x
  3. Step 3: Cross multiply
    139,254,461.20x = 192,175,763.64 × 76,532,782.24
  4. Step 4: Simplify right side
    139,254,461.20x = 14,707,745,870,465,828
  5. Step 5: Solve for x
    x = 14,707,745,870,465,828/139,254,461.20
  6. Step 6: Final answer
    x = 105,617,771.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.