Home / 111,987,000.10-167,980,500.15-92,855,124.10

Finding the Fourth Proportional to 111,987,000.10, 167,980,500.15 and 92,855,124.10

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Solution

The fourth proportional to 111,987,000.10, 167,980,500.15 and 92,855,124.10 is: 139,282,686.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,987,000.10 : 167,980,500.15 = 92,855,124.10 : x
  2. Step 2: Convert to fraction form
    111,987,000.10/167,980,500.15 = 92,855,124.10/x
  3. Step 3: Cross multiply
    111,987,000.10x = 167,980,500.15 × 92,855,124.10
  4. Step 4: Simplify right side
    111,987,000.10x = 15,597,850,187,808,318
  5. Step 5: Solve for x
    x = 15,597,850,187,808,318/111,987,000.10
  6. Step 6: Final answer
    x = 139,282,686.15

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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.