Home / 102,568,123.20-153,852,184.80-30,764,539.20

Finding the Fourth Proportional to 102,568,123.20, 153,852,184.80 and 30,764,539.20

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Solution

The fourth proportional to 102,568,123.20, 153,852,184.80 and 30,764,539.20 is: 46,146,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,568,123.20 : 153,852,184.80 = 30,764,539.20 : x
  2. Step 2: Convert to fraction form
    102,568,123.20/153,852,184.80 = 30,764,539.20/x
  3. Step 3: Cross multiply
    102,568,123.20x = 153,852,184.80 × 30,764,539.20
  4. Step 4: Simplify right side
    102,568,123.20x = 4,733,191,570,285,244
  5. Step 5: Solve for x
    x = 4,733,191,570,285,244/102,568,123.20
  6. Step 6: Final answer
    x = 46,146,808.80

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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.