Home / 66,561,340.90-99,646,056.15-49,597,219.30

Finding the Fourth Proportional to 66,561,340.90, 99,646,056.15 and 49,597,219.30

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Solution

The fourth proportional to 66,561,340.90, 99,646,056.15 and 49,597,219.30 is: 74,249,815.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,561,340.90 : 99,646,056.15 = 49,597,219.30 : x
  2. Step 2: Convert to fraction form
    66,561,340.90/99,646,056.15 = 49,597,219.30/x
  3. Step 3: Cross multiply
    66,561,340.90x = 99,646,056.15 × 49,597,219.30
  4. Step 4: Simplify right side
    66,561,340.90x = 4,942,167,299,251,664
  5. Step 5: Solve for x
    x = 4,942,167,299,251,664/66,561,340.90
  6. Step 6: Final answer
    x = 74,249,815.77

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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.