Home / 141,657,967.52-195,482,834.15-78,930,824.44

Finding the Fourth Proportional to 141,657,967.52, 195,482,834.15 and 78,930,824.44

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Solution

The fourth proportional to 141,657,967.52, 195,482,834.15 and 78,930,824.44 is: 108,921,662.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,657,967.52 : 195,482,834.15 = 78,930,824.44 : x
  2. Step 2: Convert to fraction form
    141,657,967.52/195,482,834.15 = 78,930,824.44/x
  3. Step 3: Cross multiply
    141,657,967.52x = 195,482,834.15 × 78,930,824.44
  4. Step 4: Simplify right side
    141,657,967.52x = 15,429,621,263,327,286
  5. Step 5: Solve for x
    x = 15,429,621,263,327,286/141,657,967.52
  6. Step 6: Final answer
    x = 108,921,662.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.