Home / 66,561,339.90-99,646,054.65-49,597,218.30

Finding the Fourth Proportional to 66,561,339.90, 99,646,054.65 and 49,597,218.30

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Solution

The fourth proportional to 66,561,339.90, 99,646,054.65 and 49,597,218.30 is: 74,249,814.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,561,339.90 : 99,646,054.65 = 49,597,218.30 : x
  2. Step 2: Convert to fraction form
    66,561,339.90/99,646,054.65 = 49,597,218.30/x
  3. Step 3: Cross multiply
    66,561,339.90x = 99,646,054.65 × 49,597,218.30
  4. Step 4: Simplify right side
    66,561,339.90x = 4,942,167,125,209,780
  5. Step 5: Solve for x
    x = 4,942,167,125,209,780/66,561,339.90
  6. Step 6: Final answer
    x = 74,249,814.27

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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.