Home / 127,717,396.80-191,576,095.20-56,053,780.80

Finding the Fourth Proportional to 127,717,396.80, 191,576,095.20 and 56,053,780.80

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Solution

The fourth proportional to 127,717,396.80, 191,576,095.20 and 56,053,780.80 is: 84,080,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,717,396.80 : 191,576,095.20 = 56,053,780.80 : x
  2. Step 2: Convert to fraction form
    127,717,396.80/191,576,095.20 = 56,053,780.80/x
  3. Step 3: Cross multiply
    127,717,396.80x = 191,576,095.20 × 56,053,780.80
  4. Step 4: Simplify right side
    127,717,396.80x = 10,738,564,446,860,730
  5. Step 5: Solve for x
    x = 10,738,564,446,860,730/127,717,396.80
  6. Step 6: Final answer
    x = 84,080,671.20

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Similar ratio
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1.5x scale

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.