Home / 199,552,919.10-299,329,378.65-131,472,483.90

Finding the Fourth Proportional to 199,552,919.10, 299,329,378.65 and 131,472,483.90

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Solution

The fourth proportional to 199,552,919.10, 299,329,378.65 and 131,472,483.90 is: 197,208,725.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,552,919.10 : 299,329,378.65 = 131,472,483.90 : x
  2. Step 2: Convert to fraction form
    199,552,919.10/299,329,378.65 = 131,472,483.90/x
  3. Step 3: Cross multiply
    199,552,919.10x = 299,329,378.65 × 131,472,483.90
  4. Step 4: Simplify right side
    199,552,919.10x = 39,353,576,915,359,128
  5. Step 5: Solve for x
    x = 39,353,576,915,359,128/199,552,919.10
  6. Step 6: Final answer
    x = 197,208,725.85

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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.