Home / 129,503,822.80-194,255,734.20-65,006,568.40

Finding the Fourth Proportional to 129,503,822.80, 194,255,734.20 and 65,006,568.40

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Solution

The fourth proportional to 129,503,822.80, 194,255,734.20 and 65,006,568.40 is: 97,509,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,503,822.80 : 194,255,734.20 = 65,006,568.40 : x
  2. Step 2: Convert to fraction form
    129,503,822.80/194,255,734.20 = 65,006,568.40/x
  3. Step 3: Cross multiply
    129,503,822.80x = 194,255,734.20 × 65,006,568.40
  4. Step 4: Simplify right side
    129,503,822.80x = 12,627,898,672,364,518
  5. Step 5: Solve for x
    x = 12,627,898,672,364,518/129,503,822.80
  6. Step 6: Final answer
    x = 97,509,852.60

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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.