Home / 163,359,108.80-245,038,663.20-126,370,815.20

Finding the Fourth Proportional to 163,359,108.80, 245,038,663.20 and 126,370,815.20

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Solution

The fourth proportional to 163,359,108.80, 245,038,663.20 and 126,370,815.20 is: 189,556,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,359,108.80 : 245,038,663.20 = 126,370,815.20 : x
  2. Step 2: Convert to fraction form
    163,359,108.80/245,038,663.20 = 126,370,815.20/x
  3. Step 3: Cross multiply
    163,359,108.80x = 245,038,663.20 × 126,370,815.20
  4. Step 4: Simplify right side
    163,359,108.80x = 30,965,735,624,102,240
  5. Step 5: Solve for x
    x = 30,965,735,624,102,240/163,359,108.80
  6. Step 6: Final answer
    x = 189,556,222.80

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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.