Home / 163,311,808.20-245,079,686.70-72,500,569.80

Finding the Fourth Proportional to 163,311,808.20, 245,079,686.70 and 72,500,569.80

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Solution

The fourth proportional to 163,311,808.20, 245,079,686.70 and 72,500,569.80 is: 108,800,564.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,311,808.20 : 245,079,686.70 = 72,500,569.80 : x
  2. Step 2: Convert to fraction form
    163,311,808.20/245,079,686.70 = 72,500,569.80/x
  3. Step 3: Cross multiply
    163,311,808.20x = 245,079,686.70 × 72,500,569.80
  4. Step 4: Simplify right side
    163,311,808.20x = 17,768,416,932,155,480
  5. Step 5: Solve for x
    x = 17,768,416,932,155,480/163,311,808.20
  6. Step 6: Final answer
    x = 108,800,564.56

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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.