Home / 163,361,962.80-245,042,944.20-126,373,669.20

Finding the Fourth Proportional to 163,361,962.80, 245,042,944.20 and 126,373,669.20

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Solution

The fourth proportional to 163,361,962.80, 245,042,944.20 and 126,373,669.20 is: 189,560,503.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,361,962.80 : 245,042,944.20 = 126,373,669.20 : x
  2. Step 2: Convert to fraction form
    163,361,962.80/245,042,944.20 = 126,373,669.20/x
  3. Step 3: Cross multiply
    163,361,962.80x = 245,042,944.20 × 126,373,669.20
  4. Step 4: Simplify right side
    163,361,962.80x = 30,966,975,970,124,856
  5. Step 5: Solve for x
    x = 30,966,975,970,124,856/163,361,962.80
  6. Step 6: Final answer
    x = 189,560,503.80

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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.