Home / 99,646,666.80-149,470,000.20-55,882,500.45

Finding the Fourth Proportional to 99,646,666.80, 149,470,000.20 and 55,882,500.45

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Solution

The fourth proportional to 99,646,666.80, 149,470,000.20 and 55,882,500.45 is: 83,823,750.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,646,666.80 : 149,470,000.20 = 55,882,500.45 : x
  2. Step 2: Convert to fraction form
    99,646,666.80/149,470,000.20 = 55,882,500.45/x
  3. Step 3: Cross multiply
    99,646,666.80x = 149,470,000.20 × 55,882,500.45
  4. Step 4: Simplify right side
    99,646,666.80x = 8,352,757,353,438,000
  5. Step 5: Solve for x
    x = 8,352,757,353,438,000/99,646,666.80
  6. Step 6: Final answer
    x = 83,823,750.68

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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.