Home / 108,544,128.40-162,816,192.60-107,788,301.20

Finding the Fourth Proportional to 108,544,128.40, 162,816,192.60 and 107,788,301.20

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Solution

The fourth proportional to 108,544,128.40, 162,816,192.60 and 107,788,301.20 is: 161,682,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,544,128.40 : 162,816,192.60 = 107,788,301.20 : x
  2. Step 2: Convert to fraction form
    108,544,128.40/162,816,192.60 = 107,788,301.20/x
  3. Step 3: Cross multiply
    108,544,128.40x = 162,816,192.60 × 107,788,301.20
  4. Step 4: Simplify right side
    108,544,128.40x = 17,549,680,808,206,010
  5. Step 5: Solve for x
    x = 17,549,680,808,206,010/108,544,128.40
  6. Step 6: Final answer
    x = 161,682,451.80

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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.