Home / 141,952,841.66-195,895,192.60-78,373,303.80

Finding the Fourth Proportional to 141,952,841.66, 195,895,192.60 and 78,373,303.80

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Solution

The fourth proportional to 141,952,841.66, 195,895,192.60 and 78,373,303.80 is: 108,155,308.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,952,841.66 : 195,895,192.60 = 78,373,303.80 : x
  2. Step 2: Convert to fraction form
    141,952,841.66/195,895,192.60 = 78,373,303.80/x
  3. Step 3: Cross multiply
    141,952,841.66x = 195,895,192.60 × 78,373,303.80
  4. Step 4: Simplify right side
    141,952,841.66x = 15,352,953,442,599,310
  5. Step 5: Solve for x
    x = 15,352,953,442,599,310/141,952,841.66
  6. Step 6: Final answer
    x = 108,155,308.93

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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.