Home / 108,524,043.20-162,786,064.80-74,086,666.40

Finding the Fourth Proportional to 108,524,043.20, 162,786,064.80 and 74,086,666.40

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Solution

The fourth proportional to 108,524,043.20, 162,786,064.80 and 74,086,666.40 is: 111,129,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,524,043.20 : 162,786,064.80 = 74,086,666.40 : x
  2. Step 2: Convert to fraction form
    108,524,043.20/162,786,064.80 = 74,086,666.40/x
  3. Step 3: Cross multiply
    108,524,043.20x = 162,786,064.80 × 74,086,666.40
  4. Step 4: Simplify right side
    108,524,043.20x = 12,060,276,877,406,384
  5. Step 5: Solve for x
    x = 12,060,276,877,406,384/108,524,043.20
  6. Step 6: Final answer
    x = 111,129,999.60

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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.