Home / 66,446,906.20-99,670,359.30-53,009,978.20

Finding the Fourth Proportional to 66,446,906.20, 99,670,359.30 and 53,009,978.20

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Solution

The fourth proportional to 66,446,906.20, 99,670,359.30 and 53,009,978.20 is: 79,514,967.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,446,906.20 : 99,670,359.30 = 53,009,978.20 : x
  2. Step 2: Convert to fraction form
    66,446,906.20/99,670,359.30 = 53,009,978.20/x
  3. Step 3: Cross multiply
    66,446,906.20x = 99,670,359.30 × 53,009,978.20
  4. Step 4: Simplify right side
    66,446,906.20x = 5,283,523,573,679,167
  5. Step 5: Solve for x
    x = 5,283,523,573,679,167/66,446,906.20
  6. Step 6: Final answer
    x = 79,514,967.30

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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.