Home / 108,601,386.90-162,902,080.35-31,932,165.30

Finding the Fourth Proportional to 108,601,386.90, 162,902,080.35 and 31,932,165.30

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Solution

The fourth proportional to 108,601,386.90, 162,902,080.35 and 31,932,165.30 is: 47,898,247.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,601,386.90 : 162,902,080.35 = 31,932,165.30 : x
  2. Step 2: Convert to fraction form
    108,601,386.90/162,902,080.35 = 31,932,165.30/x
  3. Step 3: Cross multiply
    108,601,386.90x = 162,902,080.35 × 31,932,165.30
  4. Step 4: Simplify right side
    108,601,386.90x = 5,201,816,157,450,082
  5. Step 5: Solve for x
    x = 5,201,816,157,450,082/108,601,386.90
  6. Step 6: Final answer
    x = 47,898,247.95

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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.