Home / 66,011,201.20-99,016,801.80-49,005,089.20

Finding the Fourth Proportional to 66,011,201.20, 99,016,801.80 and 49,005,089.20

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Solution

The fourth proportional to 66,011,201.20, 99,016,801.80 and 49,005,089.20 is: 73,507,633.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,011,201.20 : 99,016,801.80 = 49,005,089.20 : x
  2. Step 2: Convert to fraction form
    66,011,201.20/99,016,801.80 = 49,005,089.20/x
  3. Step 3: Cross multiply
    66,011,201.20x = 99,016,801.80 × 49,005,089.20
  4. Step 4: Simplify right side
    66,011,201.20x = 4,852,327,204,507,721
  5. Step 5: Solve for x
    x = 4,852,327,204,507,721/66,011,201.20
  6. Step 6: Final answer
    x = 73,507,633.80

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1.5x scale

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.