Home / 140,761,985.10-211,142,977.65-135,022,422.30

Finding the Fourth Proportional to 140,761,985.10, 211,142,977.65 and 135,022,422.30

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Solution

The fourth proportional to 140,761,985.10, 211,142,977.65 and 135,022,422.30 is: 202,533,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,761,985.10 : 211,142,977.65 = 135,022,422.30 : x
  2. Step 2: Convert to fraction form
    140,761,985.10/211,142,977.65 = 135,022,422.30/x
  3. Step 3: Cross multiply
    140,761,985.10x = 211,142,977.65 × 135,022,422.30
  4. Step 4: Simplify right side
    140,761,985.10x = 28,509,036,293,937,764
  5. Step 5: Solve for x
    x = 28,509,036,293,937,764/140,761,985.10
  6. Step 6: Final answer
    x = 202,533,633.45

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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.