Home / 146,016,005.40-219,024,008.10-74,352,389.40

Finding the Fourth Proportional to 146,016,005.40, 219,024,008.10 and 74,352,389.40

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Solution

The fourth proportional to 146,016,005.40, 219,024,008.10 and 74,352,389.40 is: 111,528,584.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,016,005.40 : 219,024,008.10 = 74,352,389.40 : x
  2. Step 2: Convert to fraction form
    146,016,005.40/219,024,008.10 = 74,352,389.40/x
  3. Step 3: Cross multiply
    146,016,005.40x = 219,024,008.10 × 74,352,389.40
  4. Step 4: Simplify right side
    146,016,005.40x = 16,284,958,338,199,956
  5. Step 5: Solve for x
    x = 16,284,958,338,199,956/146,016,005.40
  6. Step 6: Final answer
    x = 111,528,584.10

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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.