Home / 126,401,416.32-174,448,140.16-71,400,815.04

Finding the Fourth Proportional to 126,401,416.32, 174,448,140.16 and 71,400,815.04

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Solution

The fourth proportional to 126,401,416.32, 174,448,140.16 and 71,400,815.04 is: 98,541,137.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,401,416.32 : 174,448,140.16 = 71,400,815.04 : x
  2. Step 2: Convert to fraction form
    126,401,416.32/174,448,140.16 = 71,400,815.04/x
  3. Step 3: Cross multiply
    126,401,416.32x = 174,448,140.16 × 71,400,815.04
  4. Step 4: Simplify right side
    126,401,416.32x = 12,455,739,389,636,156
  5. Step 5: Solve for x
    x = 12,455,739,389,636,156/126,401,416.32
  6. Step 6: Final answer
    x = 98,541,137.85

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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.