Home / 166,288,581.12-249,305,718.84-100,695,443.16

Finding the Fourth Proportional to 166,288,581.12, 249,305,718.84 and 100,695,443.16

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Solution

The fourth proportional to 166,288,581.12, 249,305,718.84 and 100,695,443.16 is: 150,966,167.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,288,581.12 : 249,305,718.84 = 100,695,443.16 : x
  2. Step 2: Convert to fraction form
    166,288,581.12/249,305,718.84 = 100,695,443.16/x
  3. Step 3: Cross multiply
    166,288,581.12x = 249,305,718.84 × 100,695,443.16
  4. Step 4: Simplify right side
    166,288,581.12x = 25,103,949,840,916,160
  5. Step 5: Solve for x
    x = 25,103,949,840,916,160/166,288,581.12
  6. Step 6: Final answer
    x = 150,966,167.80

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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.