Home / 108,635,184.20-162,952,776.30-74,197,807.40

Finding the Fourth Proportional to 108,635,184.20, 162,952,776.30 and 74,197,807.40

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Solution

The fourth proportional to 108,635,184.20, 162,952,776.30 and 74,197,807.40 is: 111,296,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,635,184.20 : 162,952,776.30 = 74,197,807.40 : x
  2. Step 2: Convert to fraction form
    108,635,184.20/162,952,776.30 = 74,197,807.40/x
  3. Step 3: Cross multiply
    108,635,184.20x = 162,952,776.30 × 74,197,807.40
  4. Step 4: Simplify right side
    108,635,184.20x = 12,090,738,711,202,686
  5. Step 5: Solve for x
    x = 12,090,738,711,202,686/108,635,184.20
  6. Step 6: Final answer
    x = 111,296,711.10

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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.