Home / 198,148,829.40-297,223,244.10-83,215,855.80

Finding the Fourth Proportional to 198,148,829.40, 297,223,244.10 and 83,215,855.80

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Solution

The fourth proportional to 198,148,829.40, 297,223,244.10 and 83,215,855.80 is: 124,823,783.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,148,829.40 : 297,223,244.10 = 83,215,855.80 : x
  2. Step 2: Convert to fraction form
    198,148,829.40/297,223,244.10 = 83,215,855.80/x
  3. Step 3: Cross multiply
    198,148,829.40x = 297,223,244.10 × 83,215,855.80
  4. Step 4: Simplify right side
    198,148,829.40x = 24,733,686,621,433,800
  5. Step 5: Solve for x
    x = 24,733,686,621,433,800/198,148,829.40
  6. Step 6: Final answer
    x = 124,823,783.70

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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.