Home / 163,670,315.20-245,505,472.80-42,501,767.20

Finding the Fourth Proportional to 163,670,315.20, 245,505,472.80 and 42,501,767.20

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Solution

The fourth proportional to 163,670,315.20, 245,505,472.80 and 42,501,767.20 is: 63,752,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,670,315.20 : 245,505,472.80 = 42,501,767.20 : x
  2. Step 2: Convert to fraction form
    163,670,315.20/245,505,472.80 = 42,501,767.20/x
  3. Step 3: Cross multiply
    163,670,315.20x = 245,505,472.80 × 42,501,767.20
  4. Step 4: Simplify right side
    163,670,315.20x = 10,434,416,451,271,534
  5. Step 5: Solve for x
    x = 10,434,416,451,271,534/163,670,315.20
  6. Step 6: Final answer
    x = 63,752,650.80

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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.