Home / 141,231,977.66-211,761,312.09-54,869,567.47

Finding the Fourth Proportional to 141,231,977.66, 211,761,312.09 and 54,869,567.47

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Solution

The fourth proportional to 141,231,977.66, 211,761,312.09 and 54,869,567.47 is: 82,270,685.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,231,977.66 : 211,761,312.09 = 54,869,567.47 : x
  2. Step 2: Convert to fraction form
    141,231,977.66/211,761,312.09 = 54,869,567.47/x
  3. Step 3: Cross multiply
    141,231,977.66x = 211,761,312.09 × 54,869,567.47
  4. Step 4: Simplify right side
    141,231,977.66x = 11,619,251,600,522,818
  5. Step 5: Solve for x
    x = 11,619,251,600,522,818/141,231,977.66
  6. Step 6: Final answer
    x = 82,270,685.38

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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.