Home / 71,622,810.12-107,434,080.60-22,442,428.32

Finding the Fourth Proportional to 71,622,810.12, 107,434,080.60 and 22,442,428.32

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Solution

The fourth proportional to 71,622,810.12, 107,434,080.60 and 22,442,428.32 is: 33,663,600.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,622,810.12 : 107,434,080.60 = 22,442,428.32 : x
  2. Step 2: Convert to fraction form
    71,622,810.12/107,434,080.60 = 22,442,428.32/x
  3. Step 3: Cross multiply
    71,622,810.12x = 107,434,080.60 × 22,442,428.32
  4. Step 4: Simplify right side
    71,622,810.12x = 2,411,081,652,990,602.50
  5. Step 5: Solve for x
    x = 2,411,081,652,990,602.50/71,622,810.12
  6. Step 6: Final answer
    x = 33,663,600.31

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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.