Home / 199,552,947.60-299,329,421.40-131,472,512.40

Finding the Fourth Proportional to 199,552,947.60, 299,329,421.40 and 131,472,512.40

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Solution

The fourth proportional to 199,552,947.60, 299,329,421.40 and 131,472,512.40 is: 197,208,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,552,947.60 : 299,329,421.40 = 131,472,512.40 : x
  2. Step 2: Convert to fraction form
    199,552,947.60/299,329,421.40 = 131,472,512.40/x
  3. Step 3: Cross multiply
    199,552,947.60x = 299,329,421.40 × 131,472,512.40
  4. Step 4: Simplify right side
    199,552,947.60x = 39,353,591,066,696,328
  5. Step 5: Solve for x
    x = 39,353,591,066,696,328/199,552,947.60
  6. Step 6: Final answer
    x = 197,208,768.60

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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.