Home / 141,657,966.52-195,482,832.77-78,930,823.44

Finding the Fourth Proportional to 141,657,966.52, 195,482,832.77 and 78,930,823.44

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Solution

The fourth proportional to 141,657,966.52, 195,482,832.77 and 78,930,823.44 is: 108,921,660.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,657,966.52 : 195,482,832.77 = 78,930,823.44 : x
  2. Step 2: Convert to fraction form
    141,657,966.52/195,482,832.77 = 78,930,823.44/x
  3. Step 3: Cross multiply
    141,657,966.52x = 195,482,832.77 × 78,930,823.44
  4. Step 4: Simplify right side
    141,657,966.52x = 15,429,620,959,850,304
  5. Step 5: Solve for x
    x = 15,429,620,959,850,304/141,657,966.52
  6. Step 6: Final answer
    x = 108,921,660.67

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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.