Home / 129,503,825.80-194,255,738.70-65,006,571.40

Finding the Fourth Proportional to 129,503,825.80, 194,255,738.70 and 65,006,571.40

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Solution

The fourth proportional to 129,503,825.80, 194,255,738.70 and 65,006,571.40 is: 97,509,857.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,503,825.80 : 194,255,738.70 = 65,006,571.40 : x
  2. Step 2: Convert to fraction form
    129,503,825.80/194,255,738.70 = 65,006,571.40/x
  3. Step 3: Cross multiply
    129,503,825.80x = 194,255,738.70 × 65,006,571.40
  4. Step 4: Simplify right side
    129,503,825.80x = 12,627,899,547,661,292
  5. Step 5: Solve for x
    x = 12,627,899,547,661,292/129,503,825.80
  6. Step 6: Final answer
    x = 97,509,857.10

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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.