Home / 168,172,367.40-252,258,551.10-77,473,103.40

Finding the Fourth Proportional to 168,172,367.40, 252,258,551.10 and 77,473,103.40

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Solution

The fourth proportional to 168,172,367.40, 252,258,551.10 and 77,473,103.40 is: 116,209,655.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,172,367.40 : 252,258,551.10 = 77,473,103.40 : x
  2. Step 2: Convert to fraction form
    168,172,367.40/252,258,551.10 = 77,473,103.40/x
  3. Step 3: Cross multiply
    168,172,367.40x = 252,258,551.10 × 77,473,103.40
  4. Step 4: Simplify right side
    168,172,367.40x = 19,543,252,812,904,484
  5. Step 5: Solve for x
    x = 19,543,252,812,904,484/168,172,367.40
  6. Step 6: Final answer
    x = 116,209,655.10

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1.5x scale

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.